diff --git a/lib/pangea/chat/utils/unlocked_morphs_snackbar.dart b/lib/pangea/chat/utils/unlocked_morphs_snackbar.dart
index f8ae1d70c..8239f37c5 100644
--- a/lib/pangea/chat/utils/unlocked_morphs_snackbar.dart
+++ b/lib/pangea/chat/utils/unlocked_morphs_snackbar.dart
@@ -32,12 +32,14 @@ class ConstructNotificationUtil {
     }
   }
 
+  static final Set<String> _closedOverlays = {};
+
   static void onClose(ConstructIdentifier construct) {
     final overlayKey = "${construct.string}_snackbar";
+    if (_closedOverlays.contains(overlayKey)) return;
+    _closedOverlays.add(overlayKey);
     MatrixState.pAnyState.closeOverlay(overlayKey);
-
     MatrixState.pAnyState.activeOverlays.remove(overlayKey);
-
     unlockedConstructs.remove(construct);
     closeCompleter?.complete();
     closeCompleter = null;
@@ -147,14 +149,20 @@ class ConstructNotificationOverlayState
 
   @override
   void dispose() {
+    ConstructNotificationUtil.onClose(widget.construct);
     _controller?.dispose();
     super.dispose();
   }
 
   void _close() {
-    _controller?.reverse().then((_) {
+    if (_controller?.status == AnimationStatus.completed) {
+      //only animate closed if still mounted, not if navigating away
+      _controller?.reverse().then((_) {
+        ConstructNotificationUtil.onClose(widget.construct);
+      });
+    } else {
       ConstructNotificationUtil.onClose(widget.construct);
-    });
+    }
   }
 
   void _showDetails() {