diff --git a/server/src/main/kotlin/suwayomi/tachidesk/manga/impl/Category.kt b/server/src/main/kotlin/suwayomi/tachidesk/manga/impl/Category.kt
index 7c10026bb..f222a2358 100644
--- a/server/src/main/kotlin/suwayomi/tachidesk/manga/impl/Category.kt
+++ b/server/src/main/kotlin/suwayomi/tachidesk/manga/impl/Category.kt
@@ -72,6 +72,7 @@ object Category {
                     it[CategoryTable.order] = index + 1
                 }
             }
+            normalizeCategories()
         }
     }