diff --git a/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/group/model/GroupSummaryRoomsSection.kt b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/group/model/GroupSummaryRoomsSection.kt
index 6800dfc013..7549da6b7e 100644
--- a/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/group/model/GroupSummaryRoomsSection.kt
+++ b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/group/model/GroupSummaryRoomsSection.kt
@@ -1,10 +1,12 @@
 package im.vector.matrix.android.internal.session.group.model
 
 import com.squareup.moshi.Json
+import com.squareup.moshi.JsonClass
 
 /**
  * This class represents the community rooms in a group summary response.
  */
+@JsonClass(generateAdapter = true)
 data class GroupSummaryRoomsSection(
 
         @Json(name = "total_room_count_estimate") val totalRoomCountEstimate: Int? = null,