diff --git a/browser/app/profile/firefox.js b/browser/app/profile/firefox.js
index 36d2166c482b..5d55c6493b39 100644
--- a/browser/app/profile/firefox.js
+++ b/browser/app/profile/firefox.js
@@ -1810,7 +1810,7 @@ pref("privacy.trackingprotection.ui.enabled", false);
 #endif
 
 #ifdef NIGHTLY_BUILD
-pref("browser.tabs.remote.autostart.1", true);
+pref("browser.tabs.remote.autostart.1", false);
 #endif
 
 // Temporary pref to allow printing in e10s windows on some platforms.