diff --git a/lib/pages/space_tree/view/space_tree_view.dart b/lib/pages/space_tree/view/space_tree_view.dart
index 92bc858d..63926852 100644
--- a/lib/pages/space_tree/view/space_tree_view.dart
+++ b/lib/pages/space_tree/view/space_tree_view.dart
@@ -37,8 +37,9 @@ class _SpaceTreeViewState extends State<SpaceTreeView> {
       List<CommunityModel> list = state.isSearching ? state.filteredCommunity : state.communityList;
       return Container(
         height: MediaQuery.sizeOf(context).height,
-        color: ColorsManager.whiteColors,
-        decoration: widget.isSide == true ? subSectionContainerDecoration : null,
+        decoration: widget.isSide == true
+            ? subSectionContainerDecoration.copyWith(color: ColorsManager.whiteColors)
+            : const BoxDecoration(color: ColorsManager.whiteColors),
         child: state is SpaceTreeLoadingState
             ? const Center(child: CircularProgressIndicator())
             : Column(
diff --git a/lib/pages/spaces_management/link_space_model/bloc/link_space_to_model_bloc.dart b/lib/pages/spaces_management/link_space_model/bloc/link_space_to_model_bloc.dart
index c789c2a9..5b85e17e 100644
--- a/lib/pages/spaces_management/link_space_model/bloc/link_space_to_model_bloc.dart
+++ b/lib/pages/spaces_management/link_space_model/bloc/link_space_to_model_bloc.dart
@@ -28,10 +28,11 @@ class LinkSpaceToModelBloc
     try {
       BuildContext context = NavigationService.navigatorKey.currentContext!;
       var spaceBloc = context.read<SpaceTreeBloc>();
+      spacesListIds.clear(); 
       for (var communityId in spaceBloc.state.selectedCommunities) {
         List<String> spacesList =
             spaceBloc.state.selectedCommunityAndSpaces[communityId] ?? [];
-        spacesListIds = spacesList;
+        spacesListIds.addAll(spacesList); 
       }
       hasSelectedSpaces =
           spaceBloc.state.selectedCommunities.any((communityId) {