diff --git a/app/src/screens/communities/ListGroupScreen.tsx b/app/src/screens/communities/ListGroupScreen.tsx
index f7afe21e..30ad9c2e 100644
--- a/app/src/screens/communities/ListGroupScreen.tsx
+++ b/app/src/screens/communities/ListGroupScreen.tsx
@@ -8,7 +8,7 @@ import { AppPressableIcon } from "@/components/base/AppPressable";
 import { AppIcon } from "@/components/base/AppIcon";
 import { AppColors, ContextualColors } from "@/theme/colors";
 import { extractDays } from "@/util/hooks/days";
-import { CoMatch, MatchGroup, RallyingPoint } from "@liane/common";
+import { CoMatch, MatchGroup } from "@liane/common";
 import { extractWaypointFromTo } from "@/util/hooks/lianeRequest";
 
 export const ListGroupScreen = () => {
@@ -18,31 +18,12 @@ export const ListGroupScreen = () => {
 
   const insets = useSafeAreaInsets();
   const [error, setError] = useState<Error | undefined>(undefined);
-  const { to, from, steps } = useMemo(() => extractWaypointFromTo(lianeRequest?.wayPoints), [lianeRequest.wayPoints]);
+  const { to, from } = useMemo(() => extractWaypointFromTo(lianeRequest?.wayPoints), [lianeRequest.wayPoints]);
   const daysReccurence = extractDays(lianeRequest.weekDays);
   const localeTime = lianeRequest?.timeConstraints[0]
     ? `${lianeRequest?.timeConstraints[0]?.when?.start?.hour}h${lianeRequest?.timeConstraints[0]?.when?.start?.minute}`
     : "";
 
-  const GroupItem = ({ group }: { group: CoMatch }) => (
-    <Pressable onPress={() => navigation.navigate("CommunitiesChat", { group: group, request: lianeRequest })}>
-      <View style={styles.memberContainer}>
-        <View style={styles.memberInfo}>
-          <View style={styles.textContainer}>
-            <AppText style={styles.nameText}>{`${group.pickup.label} ➔ ${group.deposit.label}`}</AppText>
-            <AppText style={styles.locationText}>{`${extractDays(group.weekDays)}`}</AppText>
-            <AppText style={styles.timeText}>{`${(group as MatchGroup).matches?.length ?? 1} membre${
-              (group as MatchGroup).matches?.length > 1 ? "s" : ""
-            }`}</AppText>
-          </View>
-        </View>
-        <View style={{ paddingRight: 10 }}>
-          <AppIcon name={"arrow-right"} />
-        </View>
-      </View>
-    </Pressable>
-  );
-
   return (
     <View style={styles.mainContainer}>
       {error && (
@@ -76,12 +57,41 @@ export const ListGroupScreen = () => {
         </View>
       </View>
       <View style={styles.membersContainer}>
-        <FlatList data={groups} renderItem={({ item }) => <GroupItem group={item} />} />
+        <FlatList
+          data={groups}
+          renderItem={({ item }) => (
+            <GroupItem group={item} onPress={() => navigation.navigate("CommunitiesChat", { group: item, request: lianeRequest })} />
+          )}
+        />
       </View>
     </View>
   );
 };
 
+type GroupItemProps = {
+  group: CoMatch;
+  onPress: () => void;
+};
+
+const GroupItem = ({ group, onPress }: GroupItemProps) => (
+  <Pressable onPress={onPress}>
+    <View style={styles.memberContainer}>
+      <View style={styles.memberInfo}>
+        <View style={styles.textContainer}>
+          <AppText style={styles.nameText}>{`${group.pickup.label} ➔ ${group.deposit.label}`}</AppText>
+          <AppText style={styles.locationText}>{`${extractDays(group.weekDays)}`}</AppText>
+          <AppText style={styles.timeText}>{`${(group as MatchGroup).matches?.length ?? 1} membre${
+            (group as MatchGroup).matches?.length > 1 ? "s" : ""
+          }`}</AppText>
+        </View>
+      </View>
+      <View style={{ paddingRight: 10 }}>
+        <AppIcon name={"arrow-right"} />
+      </View>
+    </View>
+  </Pressable>
+);
+
 const styles = StyleSheet.create({
   mainContainer: {
     backgroundColor: AppColors.lightGrayBackground,
diff --git a/app/yarn.lock b/app/yarn.lock
index f290ef5e..2a60bbc2 100644
--- a/app/yarn.lock
+++ b/app/yarn.lock
@@ -7713,11 +7713,16 @@ tslib@^1.8.1:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.14.1.tgz#cf2d38bdc34a134bcaf1091c41f6619e2f672d00"
   integrity sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==
 
-tslib@^2.0.1, tslib@^2.0.3, tslib@^2.1.0, tslib@^2.4.0, tslib@^2.6.2:
+tslib@^2.0.1, tslib@^2.0.3, tslib@^2.4.0:
   version "2.6.2"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.6.2.tgz#703ac29425e7b37cd6fd456e92404d46d1f3e4ae"
   integrity sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q==
 
+tslib@^2.1.0, tslib@^2.6.2:
+  version "2.6.3"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.6.3.tgz#0438f810ad7a9edcde7a241c3d80db693c8cbfe0"
+  integrity sha512-xNvxJEOUiWPGhUuUdQgAJPKOOJfGnIyKySOc09XkKsgdUV/3E2zvwZYdejjmRgPCgcym1juLH3226yA7sEFJKQ==
+
 tsutils@^3.21.0:
   version "3.21.0"
   resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-3.21.0.tgz#b48717d394cea6c1e096983eed58e9d61715b623"
diff --git a/back/src/Liane/Liane.Service/Internal/Community/LianeMatcher.cs b/back/src/Liane/Liane.Service/Internal/Community/LianeMatcher.cs
index cb4b5667..b22f1902 100644
--- a/back/src/Liane/Liane.Service/Internal/Community/LianeMatcher.cs
+++ b/back/src/Liane/Liane.Service/Internal/Community/LianeMatcher.cs
@@ -51,38 +51,35 @@ public async Task<ImmutableDictionary<Guid, LianeMatcherResult>> FindMatches(
   private static async Task<IEnumerable<LianeRawMatch>> FindRawMatches(IDbConnection connection, IEnumerable<Guid> lianeRequests, IDbTransaction? tx = null)
   {
     return await connection.QueryAsync<LianeRawMatch>("""
-                                                              SELECT liane_request_a.id AS "from",
-                                                                     liane_request_b.id AS liane_request,
-                                                                     liane_request_b.name AS name,
-                                                                     liane_request_b.created_by AS "user",
-                                                                     liane_request_b.way_points AS way_points,
-                                                                     liane_request_b.is_enabled AS is_enabled,
-                                                                     st_length(intersection) / a_length AS score,
-                                                                     matching_weekdays(liane_request_a.week_days, liane_request_b.week_days) AS week_days,
-                                                                     st_startpoint(intersection) AS pickup,
-                                                                     st_endpoint(intersection) AS deposit,
-                                                                     nearest_rp(st_startpoint(intersection)) AS pickup_point,
-                                                                     nearest_rp(st_endpoint(intersection)) AS deposit_point,
-                                                                     (SELECT array_agg(liane_id) FROM liane_member WHERE liane_request_id = liane_request_b.id) AS lianes
-                                                              FROM (
-                                                                      SELECT a.way_points AS a,
-                                                                             b.way_points AS b,
-                                                                             st_linemerge(st_intersection(a.geometry, b.geometry)) intersection,
-                                                                             st_length(a.geometry) AS a_length
-                                                                      FROM route a
-                                                                        INNER JOIN route b ON st_intersects(a.geometry, b.geometry)
-                                                                  ) AS matches
-                                                              INNER JOIN liane_request liane_request_a ON
-                                                                liane_request_a.way_points = a
-                                                              INNER JOIN liane_request liane_request_b ON
-                                                                liane_request_b.way_points = b AND liane_request_b.created_by != liane_request_a.created_by
-                                                              LEFT JOIN liane_member ON
-                                                                liane_request_id = liane_request_b.id
-                                                              WHERE
-                                                                matching_weekdays(liane_request_a.week_days, liane_request_b.week_days)::integer != 0
-                                                                AND st_length(intersection) / a_length > 0.3
-                                                                AND liane_request_a.id = ANY(@liane_requests)
-                                                              ORDER BY st_length(intersection) / a_length DESC, liane_request_a.id
+                                                      SELECT liane_request_match.id AS "from",
+                                                             liane_request_b.id AS liane_request,
+                                                             liane_request_b.name AS name,
+                                                             liane_request_b.created_by AS "user",
+                                                             liane_request_b.way_points AS way_points,
+                                                             liane_request_b.is_enabled AS is_enabled,
+                                                             st_length(intersection) / a_length AS score,
+                                                             matching_weekdays(liane_request_match.week_days, liane_request_b.week_days) AS week_days,
+                                                             st_startpoint(intersection) AS pickup,
+                                                             st_endpoint(intersection) AS deposit,
+                                                             nearest_rp(st_startpoint(intersection)) AS pickup_point,
+                                                             nearest_rp(st_endpoint(intersection)) AS deposit_point,
+                                                             (SELECT array_agg(DISTINCT liane_id) FROM liane_member WHERE liane_request_id = liane_request_b.id) AS lianes
+                                                      FROM (SELECT liane_request.id,
+                                                                   liane_request.created_by,
+                                                                   liane_request.week_days,
+                                                                   a.way_points          AS                              a,
+                                                                   b.way_points          AS                              b,
+                                                                   st_linemerge(st_intersection(a.geometry, b.geometry)) intersection,
+                                                                   st_length(a.geometry) AS                              a_length
+                                                            FROM liane_request
+                                                                     INNER JOIN route a ON a.way_points = liane_request.way_points
+                                                                     INNER JOIN route b ON st_intersects(a.geometry, b.geometry)
+                                                            WHERE liane_request.id = ANY(@liane_requests)) AS liane_request_match
+                                                               INNER JOIN liane_request liane_request_b ON
+                                                          liane_request_b.way_points = b AND liane_request_b.created_by != liane_request_match.created_by
+                                                      WHERE matching_weekdays(liane_request_match.week_days, liane_request_b.week_days)::integer != 0
+                                                        AND st_length(intersection) / a_length > 0.3
+                                                      ORDER BY st_length(intersection) / a_length DESC, "from"
                                                       """,
       new { liane_requests = lianeRequests.ToArray() },
       tx
@@ -125,6 +122,7 @@ private async Task<ImmutableList<Match>> GroupMatchByLiane(IEnumerable<LianeRawM
           first.Deposit,
           first.Score));
       }))
+    .Distinct()
     .OrderByDescending(m => m.Score)
     .ThenByDescending(m => m switch
     {