diff --git a/testing/tools/profiles/createTestingProfile.py b/testing/tools/profiles/createTestingProfile.py
index 2a008e1d2a1..2548f2ace5d 100644
--- a/testing/tools/profiles/createTestingProfile.py
+++ b/testing/tools/profiles/createTestingProfile.py
@@ -24,7 +24,7 @@ userPrefs = {
     'layout.fire_onload_after_image_background_loads': 'true',
     'javascript.options.showInConsole': 'true',
     'privacy.popups.firstTime': 'false',
-    'layout.debug.enable_data_xbl': 'true'
+    'layout.debug.enable_data_xbl': 'true',
     'browser.EULA.override': 'true'
 }