diff --git a/vector/src/main/java/im/vector/app/features/spaces/NewSpaceSummaryController.kt b/vector/src/main/java/im/vector/app/features/spaces/NewSpaceSummaryController.kt
index 3169fefcb5..2b45db2e4e 100644
--- a/vector/src/main/java/im/vector/app/features/spaces/NewSpaceSummaryController.kt
+++ b/vector/src/main/java/im/vector/app/features/spaces/NewSpaceSummaryController.kt
@@ -135,7 +135,8 @@ class NewSpaceSummaryController @Inject constructor(
         val countState = UnreadCounterBadgeView.State(childSummary.notificationCount, childSummary.highlightCount > 0)
         val expanded = expandedStates[childSummary.roomId] == true
         val isSelected = childSummary.roomId == selectedSpace?.roomId
-        val subSpaces = childSummary.spaceChildren?.filter { childSpace -> spaceSummaries.containsSpaceId(childSpace.childRoomId) }?.sortedWith(subSpaceComparator)
+        val subSpaces = childSummary.spaceChildren?.filter { childSpace -> spaceSummaries.containsSpaceId(childSpace.childRoomId) }
+                ?.sortedWith(subSpaceComparator)
 
         newSubSpaceSummaryItem {
             id(id)
diff --git a/vector/src/main/res/layout/item_new_space.xml b/vector/src/main/res/layout/item_new_space.xml
index 3d627fa782..fc023ebd6e 100644
--- a/vector/src/main/res/layout/item_new_space.xml
+++ b/vector/src/main/res/layout/item_new_space.xml
@@ -66,7 +66,7 @@
         android:layout_height="48dp"
         android:layout_marginEnd="21dp"
         android:background="?selectableItemBackground"
-        android:importantForAccessibility="no"
+        android:contentDescription="@string/a11y_expand_space_children"
         android:scaleType="centerInside"
         android:visibility="gone"
         app:layout_constraintBottom_toBottomOf="parent"
diff --git a/vector/src/main/res/layout/item_new_sub_space.xml b/vector/src/main/res/layout/item_new_sub_space.xml
index 1c4afcea18..014568e26d 100644
--- a/vector/src/main/res/layout/item_new_sub_space.xml
+++ b/vector/src/main/res/layout/item_new_sub_space.xml
@@ -79,7 +79,7 @@
         android:layout_height="32dp"
         android:layout_marginEnd="24dp"
         android:background="?selectableItemBackground"
-        android:importantForAccessibility="no"
+        android:contentDescription="@string/a11y_expand_space_children"
         android:scaleType="centerInside"
         android:visibility="gone"
         app:layout_constraintBottom_toBottomOf="parent"
diff --git a/vector/src/main/res/values/strings.xml b/vector/src/main/res/values/strings.xml
index 0b62c16f92..bc247c38aa 100644
--- a/vector/src/main/res/values/strings.xml
+++ b/vector/src/main/res/values/strings.xml
@@ -141,6 +141,7 @@
     <string name="create_room">Create Room</string>
     <string name="change_space">Change Space</string>
     <string name="explore_rooms">Explore Rooms</string>
+    <string name="a11y_expand_space_children">Expand space children</string>
 
     <!-- Last seen time -->