diff --git a/packages/application/src/shell.ts b/packages/application/src/shell.ts
index 78e8d5481..c142ba092 100644
--- a/packages/application/src/shell.ts
+++ b/packages/application/src/shell.ts
@@ -664,6 +664,7 @@ namespace Private {
      * Collapse the sidebar so no items are expanded.
      */
     collapse(): void {
+      this._current?.hide();
       this._current = null;
     }