diff --git a/vector/src/main/java/im/vector/app/features/spaces/manage/SpaceManageRoomViewState.kt b/vector/src/main/java/im/vector/app/features/spaces/manage/SpaceManageRoomViewState.kt
index 9b0256e951..064a561aa0 100644
--- a/vector/src/main/java/im/vector/app/features/spaces/manage/SpaceManageRoomViewState.kt
+++ b/vector/src/main/java/im/vector/app/features/spaces/manage/SpaceManageRoomViewState.kt
@@ -29,7 +29,9 @@ data class SpaceManageRoomViewState(
         val selectedRooms: List<String> = emptyList(),
         val currentFilter: String = "",
         val actionState: Async<Unit> = Uninitialized,
-        val paginationStatus: Async<Unit> = Uninitialized
+        val paginationStatus: Async<Unit> = Uninitialized,
+        // cached room summaries of known rooms, we use it because computed room name would be better using it
+        val knownRoomSummaries : List<RoomSummary> = emptyList()
 ) : MvRxState {
     constructor(args: SpaceManageArgs) : this(
             spaceId = args.spaceId
diff --git a/vector/src/main/java/im/vector/app/features/spaces/manage/SpaceManageRoomsController.kt b/vector/src/main/java/im/vector/app/features/spaces/manage/SpaceManageRoomsController.kt
index ffd5743a10..dadcf9d826 100644
--- a/vector/src/main/java/im/vector/app/features/spaces/manage/SpaceManageRoomsController.kt
+++ b/vector/src/main/java/im/vector/app/features/spaces/manage/SpaceManageRoomsController.kt
@@ -80,7 +80,10 @@ class SpaceManageRoomsController @Inject constructor(
             filteredResult.forEach { childInfo ->
                 roomManageSelectionItem {
                     id(childInfo.childRoomId)
-                    matrixItem(childInfo.toMatrixItem())
+                    matrixItem(
+                            data.knownRoomSummaries.firstOrNull { it.roomId == childInfo.childRoomId }?.toMatrixItem()
+                                    ?: childInfo.toMatrixItem()
+                    )
                     avatarRenderer(host.avatarRenderer)
                     suggested(childInfo.suggested ?: false)
                     selected(data.selectedRooms.contains(childInfo.childRoomId))
diff --git a/vector/src/main/java/im/vector/app/features/spaces/manage/SpaceManageRoomsViewModel.kt b/vector/src/main/java/im/vector/app/features/spaces/manage/SpaceManageRoomsViewModel.kt
index 18eb24231d..0222dde275 100644
--- a/vector/src/main/java/im/vector/app/features/spaces/manage/SpaceManageRoomsViewModel.kt
+++ b/vector/src/main/java/im/vector/app/features/spaces/manage/SpaceManageRoomsViewModel.kt
@@ -51,9 +51,7 @@ class SpaceManageRoomsViewModel @AssistedInject constructor(
             )
         }
 
-        viewModelScope.launch(Dispatchers.IO) {
-            refreshSummaryAPI()
-        }
+        refreshSummaryAPI()
     }
 
     @AssistedFactory
@@ -163,7 +161,10 @@ class SpaceManageRoomsViewModel @AssistedInject constructor(
             setState {
                 copy(
                         childrenInfo = apiResult,
-                        paginationStatus = Uninitialized
+                        paginationStatus = Uninitialized,
+                        knownRoomSummaries = apiResult.invoke()?.children?.mapNotNull {
+                            session.getRoomSummary(it.childRoomId)
+                        }.orEmpty()
                 )
             }
         }
@@ -195,6 +196,7 @@ class SpaceManageRoomsViewModel @AssistedInject constructor(
                         knownStateList = knownResults.childrenState.orEmpty(),
                         limit = paginationLimit
                 )
+                val newKnown = apiResult.children.mapNotNull { session.getRoomSummary(it.childRoomId) }
                 setState {
                     copy(
                             childrenInfo = Success(
@@ -203,7 +205,8 @@ class SpaceManageRoomsViewModel @AssistedInject constructor(
                                             nextToken = apiResult.nextToken
                                     )
                             ),
-                            paginationStatus = Success(Unit)
+                            paginationStatus = Success(Unit),
+                            knownRoomSummaries = (state.knownRoomSummaries + newKnown).distinctBy { it.roomId }
                     )
                 }
             } catch (failure: Throwable) {