diff --git a/src/browser/base/zen-components/ZenWorkspaces.mjs b/src/browser/base/zen-components/ZenWorkspaces.mjs
index 73ab120d1..54650d4bd 100644
--- a/src/browser/base/zen-components/ZenWorkspaces.mjs
+++ b/src/browser/base/zen-components/ZenWorkspaces.mjs
@@ -1601,6 +1601,7 @@ var ZenWorkspaces = new (class extends ZenMultiWindowFeature {
 
   async changeTabWorkspace(workspaceID) {
     const tabs = TabContextMenu.contextTab.multiselected ? gBrowser.selectedTabs : [TabContextMenu.contextTab];
+    document.getElementById('tabContextMenu').hidePopup();
     const previousWorkspaceID = document.documentElement.getAttribute('zen-workspace-id');
     for (let tab of tabs) {
       tab.setAttribute('zen-workspace-id', workspaceID);