diff --git a/browser/base/content/tabbrowser.xml b/browser/base/content/tabbrowser.xml
index a7b638707e0a..78ac35db97de 100644
--- a/browser/base/content/tabbrowser.xml
+++ b/browser/base/content/tabbrowser.xml
@@ -1925,7 +1925,7 @@
             evt.initUIEvent("TabClose", true, false, window, aTabWillBeMoved ? 1 : 0);
             aTab.dispatchEvent(evt);
 
-            if (!gMultiProcessBrowser) {
+            if (!aTabWillBeMoved && !gMultiProcessBrowser) {
               // Prevent this tab from showing further dialogs, since we're closing it
               var windowUtils = browser.contentWindow.QueryInterface(Ci.nsIInterfaceRequestor).
                                 getInterface(Ci.nsIDOMWindowUtils);