diff --git a/browser/app/profile/firefox.js b/browser/app/profile/firefox.js
index 3e82e21d0d7..cf2d62565b8 100644
--- a/browser/app/profile/firefox.js
+++ b/browser/app/profile/firefox.js
@@ -231,3 +231,11 @@ pref("security.warn_entering_weak.show_once", true);
 pref("security.warn_leaving_secure.show_once", true);
 pref("security.warn_viewing_mixed.show_once", true);
 pref("security.warn_submit_insecure.show_once", true);
+
+pref("browser.urlbar.clickSelectsAll", true);
+#ifdef XP_UNIX
+#ifndef XP_MACOSX
+pref("browser.urlbar.clickSelectsAll", false);
+#endif
+#endif
+