diff --git a/src/zen/workspaces/ZenWorkspaces.mjs b/src/zen/workspaces/ZenWorkspaces.mjs
index 872b6af93..3108b1da6 100644
--- a/src/zen/workspaces/ZenWorkspaces.mjs
+++ b/src/zen/workspaces/ZenWorkspaces.mjs
@@ -284,7 +284,7 @@ class nsZenWorkspaces {
       });
     };
     this._pinnedTabsResizeObserver = new ResizeObserver(onResize);
-    if (this.privateWindowOrDisabled) {
+    if (this.privateWindowOrDisabled || this._workspaceCache.length === 0) {
       await this.restoreWorkspacesFromSessionStore({});
     }
   }