diff --git a/browser/components/preferences/in-content/tests/browser_bug1020245_openPreferences_to_paneContent.js b/browser/components/preferences/in-content/tests/browser_bug1020245_openPreferences_to_paneContent.js
index e6c3776a20e7..82f16fa56611 100644
--- a/browser/components/preferences/in-content/tests/browser_bug1020245_openPreferences_to_paneContent.js
+++ b/browser/components/preferences/in-content/tests/browser_bug1020245_openPreferences_to_paneContent.js
@@ -1,6 +1,14 @@
 /* Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/publicdomain/zero/1.0/ */
 
+Services.prefs.setBoolPref("browser.preferences.inContent", true);
+Services.prefs.setBoolPref("browser.preferences.instantApply", true);
+
+registerCleanupFunction(function() {
+  Services.prefs.clearUserPref("browser.preferences.inContent");
+  Services.prefs.clearUserPref("browser.preferences.instantApply");
+});
+
 add_task(function() {
   let prefs = yield openPreferencesViaOpenPreferencesAPI("paneContent");
   is(prefs.selectedPane, "paneContent", "Content pane was selected");