diff --git a/app/templates/local_workspace.html b/app/templates/local_workspace.html
index 8f1db8a..7515896 100644
--- a/app/templates/local_workspace.html
+++ b/app/templates/local_workspace.html
@@ -1224,6 +1224,8 @@ window._wsInitData = (function() {
         self.undoVisible = false;
         self.undoItemId = null;
       }, 5000);
+      // Notify sidebar to refresh its tree
+      document.dispatchEvent(new CustomEvent('flowdeck:sidebar-refresh'));
     },
     undoDelete() {
       if (this.undoTimeout) clearTimeout(this.undoTimeout);