--- a/mobile/app/mobile.js
+++ b/mobile/app/mobile.js
@@ -36,17 +36,21 @@
 
 #filter substitution
 
 pref("toolkit.defaultChromeURI", "chrome://browser/content/browser.xul");
 pref("general.useragent.extra.mobile", "@APP_UA_NAME_EXTRA@/@APP_VERSION_EXTRA@ Fennec/@APP_VERSION@");
 pref("browser.chromeURL", "chrome://browser/content/");
 
 pref("browser.tabs.warnOnClose", true);
+#ifdef MOZ_IPC
+pref("browser.tabs.remote", true);
+#else
 pref("browser.tabs.remote", false);
+#endif
 
 pref("toolkit.screen.lock", false);
 
 // From libpref/src/init/all.js, extended to allow a slightly wider zoom range.
 pref("zoom.minPercent", 20);
 pref("zoom.maxPercent", 400);
 pref("toolkit.zoomManager.zoomValues", ".2,.3,.5,.67,.8,.9,1,1.1,1.2,1.33,1.5,1.7,2,2.4,3,4");
 pref("zoom.dpiScale", 150);