diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/summary/RoomSummaryUpdater.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/summary/RoomSummaryUpdater.kt
index cac0d715f5..d488fdfc2a 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/summary/RoomSummaryUpdater.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/summary/RoomSummaryUpdater.kt
@@ -344,10 +344,9 @@ internal class RoomSummaryUpdater @Inject constructor(
                                 if (it != null) addAll(it)
                             }
                         }.distinct()
-                        if (flattenRelated.isEmpty()) {
-                            dmRoom.flattenParentIds = null
-                        } else {
-                            dmRoom.flattenParentIds = "|${flattenRelated.joinToString("|")}|"
+                        if (flattenRelated.isNotEmpty()) {
+                            // we keep real m.child/m.parent relations and add the one for common memberships
+                            dmRoom.flattenParentIds += "|${flattenRelated.joinToString("|")}|"
                         }
 //                        Timber.v("## SPACES: flatten of ${dmRoom.otherMemberIds.joinToString(",")} is ${dmRoom.flattenParentIds}")
                     }
diff --git a/vector/src/main/java/im/vector/app/features/spaces/manage/SpaceAddRoomFragment.kt b/vector/src/main/java/im/vector/app/features/spaces/manage/SpaceAddRoomFragment.kt
index 203098d32b..37a1a4f4d1 100644
--- a/vector/src/main/java/im/vector/app/features/spaces/manage/SpaceAddRoomFragment.kt
+++ b/vector/src/main/java/im/vector/app/features/spaces/manage/SpaceAddRoomFragment.kt
@@ -28,6 +28,7 @@ import androidx.recyclerview.widget.LinearLayoutManager
 import com.airbnb.mvrx.Loading
 import com.airbnb.mvrx.activityViewModel
 import com.airbnb.mvrx.fragmentViewModel
+import com.airbnb.mvrx.withState
 import com.jakewharton.rxbinding3.appcompat.queryTextChanges
 import im.vector.app.R
 import im.vector.app.core.extensions.cleanup
@@ -42,6 +43,7 @@ import javax.inject.Inject
 class SpaceAddRoomFragment @Inject constructor(
         private val spaceEpoxyController: AddRoomListController,
         private val roomEpoxyController: AddRoomListController,
+        private val dmEpoxyController: AddRoomListController,
         private val viewModelFactory: SpaceAddRoomsViewModel.Factory
 ) : VectorBaseFragment<FragmentSpaceAddRoomsBinding>(),
         OnBackPressed, AddRoomListController.Listener, SpaceAddRoomsViewModel.Factory {
@@ -84,6 +86,7 @@ class SpaceAddRoomFragment @Inject constructor(
         viewModel.selectionListLiveData.observe(viewLifecycleOwner) {
             spaceEpoxyController.selectedItems = it
             roomEpoxyController.selectedItems = it
+            dmEpoxyController.selectedItems = it
             saveNeeded = it.values.any { it }
             invalidateOptionsMenu()
         }
@@ -95,6 +98,7 @@ class SpaceAddRoomFragment @Inject constructor(
         viewModel.selectSubscribe(this, SpaceAddRoomsState::ignoreRooms) {
             spaceEpoxyController.ignoreRooms = it
             roomEpoxyController.ignoreRooms = it
+            dmEpoxyController.ignoreRooms = it
         }.disposeOnDestroyView()
 
         viewModel.selectSubscribe(this, SpaceAddRoomsState::isSaving) {
@@ -149,6 +153,7 @@ class SpaceAddRoomFragment @Inject constructor(
         views.roomList.cleanup()
         spaceEpoxyController.listener = null
         roomEpoxyController.listener = null
+        dmEpoxyController.listener = null
         super.onDestroyView()
     }
 
@@ -181,6 +186,21 @@ class SpaceAddRoomFragment @Inject constructor(
         concatAdapter.addAdapter(roomEpoxyController.adapter)
         concatAdapter.addAdapter(spaceEpoxyController.adapter)
 
+        val shouldShowDm = withState(viewModel) { it.shouldShowDMs }
+        if (shouldShowDm) {
+            viewModel.updatableDMLivePageResult.liveBoundaries.observe(viewLifecycleOwner) {
+                dmEpoxyController.boundaryChange(it)
+            }
+            viewModel.updatableDMLivePageResult.livePagedList.observe(viewLifecycleOwner) {
+                dmEpoxyController.totalSize = it.size
+                dmEpoxyController.submitList(it)
+            }
+            dmEpoxyController.sectionName = getString(R.string.direct_chats_header)
+            dmEpoxyController.listener = this
+
+            concatAdapter.addAdapter(dmEpoxyController.adapter)
+        }
+
         views.roomList.adapter = concatAdapter
     }
 
diff --git a/vector/src/main/java/im/vector/app/features/spaces/manage/SpaceAddRoomsState.kt b/vector/src/main/java/im/vector/app/features/spaces/manage/SpaceAddRoomsState.kt
index 6ce3468fe1..2d9113ae68 100644
--- a/vector/src/main/java/im/vector/app/features/spaces/manage/SpaceAddRoomsState.kt
+++ b/vector/src/main/java/im/vector/app/features/spaces/manage/SpaceAddRoomsState.kt
@@ -26,7 +26,8 @@ data class SpaceAddRoomsState(
         val currentFilter: String = "",
         val spaceName: String = "",
         val ignoreRooms: List<String> = emptyList(),
-        val isSaving: Async<List<String>> = Uninitialized
+        val isSaving: Async<List<String>> = Uninitialized,
+        val shouldShowDMs : Boolean = false
 //        val selectionList: Map<String, Boolean> = emptyMap()
 ) : MvRxState {
     constructor(args: SpaceManageArgs) : this(
diff --git a/vector/src/main/java/im/vector/app/features/spaces/manage/SpaceAddRoomsViewModel.kt b/vector/src/main/java/im/vector/app/features/spaces/manage/SpaceAddRoomsViewModel.kt
index 55e65eb171..35c415b087 100644
--- a/vector/src/main/java/im/vector/app/features/spaces/manage/SpaceAddRoomsViewModel.kt
+++ b/vector/src/main/java/im/vector/app/features/spaces/manage/SpaceAddRoomsViewModel.kt
@@ -98,6 +98,26 @@ class SpaceAddRoomsViewModel @AssistedInject constructor(
         )
     }
 
+    val updatableDMLivePageResult: UpdatableLivePageResult by lazy {
+        session.getFilteredPagedRoomSummariesLive(
+                roomSummaryQueryParams {
+                    this.memberships = listOf(Membership.JOIN)
+                    this.excludeType = listOf(RoomType.SPACE)
+                    this.includeType = null
+                    this.roomCategoryFilter = RoomCategoryFilter.ONLY_DM
+                    this.activeSpaceFilter = ActiveSpaceFilter.ExcludeSpace(initialState.spaceId)
+                    this.displayName = QueryStringValue.Contains(initialState.currentFilter, QueryStringValue.Case.INSENSITIVE)
+                },
+                pagedListConfig = PagedList.Config.Builder()
+                        .setPageSize(10)
+                        .setInitialLoadSizeHint(20)
+                        .setEnablePlaceholders(true)
+                        .setPrefetchDistance(10)
+                        .build(),
+                sortOrder = RoomSortOrder.NAME
+        )
+    }
+
     private val selectionList = mutableMapOf<String, Boolean>()
     val selectionListLiveData = MutableLiveData<Map<String, Boolean>>()
 
@@ -106,7 +126,8 @@ class SpaceAddRoomsViewModel @AssistedInject constructor(
         setState {
             copy(
                     spaceName = spaceSummary?.displayName ?: "",
-                    ignoreRooms = (spaceSummary?.flattenParentIds ?: emptyList()) + listOf(initialState.spaceId)
+                    ignoreRooms = (spaceSummary?.flattenParentIds ?: emptyList()) + listOf(initialState.spaceId),
+                    shouldShowDMs = spaceSummary?.isPublic == false
             )
         }
     }