diff --git a/src/geocoder/helper.ts b/src/geocoder/helper.ts
index 88a388a5..430ac984 100644
--- a/src/geocoder/helper.ts
+++ b/src/geocoder/helper.ts
@@ -67,7 +67,7 @@ interface FocusApi {
     'focus.point.lon': number
     'focus.weight'?: number
     'focus.function'?: 'linear' | 'exp'
-    'focus.scale'?: string
+    'focus.scale'?: number
 }
 
 export function transformFocusParam(focus?: Focus): FocusApi | undefined {
diff --git a/src/geocoder/types.ts b/src/geocoder/types.ts
index 4bf7a3a3..84c3b25d 100644
--- a/src/geocoder/types.ts
+++ b/src/geocoder/types.ts
@@ -180,5 +180,5 @@ export interface Focus {
      *
      * @defaultValue 2500
      */
-    scale?: string
+    scale?: number
 }
diff --git a/src/geocoderLegacy/index.ts b/src/geocoderLegacy/index.ts
index 5b1c6cd6..dfab7660 100644
--- a/src/geocoderLegacy/index.ts
+++ b/src/geocoderLegacy/index.ts
@@ -48,7 +48,7 @@ interface BoundaryApi {
 interface FocusApi {
     'focus.weight'?: number
     'focus.function'?: 'linear' | 'exp'
-    'focus.scale'?: string
+    'focus.scale'?: number
 }
 
 export interface GetFeaturesParams {
@@ -95,7 +95,7 @@ export interface GetFeaturesParams {
          *
          * @defaultValue 2500
          */
-        scale?: string
+        scale?: number
     }
     multiModal?: 'parent' | 'child' | 'all'
     sources?: string[]