diff --git a/mailnews/base/prefs/resources/content/AccountWizard.js b/mailnews/base/prefs/resources/content/AccountWizard.js
index 941edf1d8be0..894f09196d29 100644
--- a/mailnews/base/prefs/resources/content/AccountWizard.js
+++ b/mailnews/base/prefs/resources/content/AccountWizard.js
@@ -166,7 +166,7 @@ function onCancel()
         closeWizard = false;
     }
 
-    if(top.okCallback) {
+    if(top.okCallback && closeWizard) {
       var state = false;
       top.okCallback(state);
     }