diff --git a/browser/app/profile/firefox.js b/browser/app/profile/firefox.js
index 81501ad1747f..9ab9638988ff 100644
--- a/browser/app/profile/firefox.js
+++ b/browser/app/profile/firefox.js
@@ -1307,6 +1307,8 @@ pref("browser.newtabpage.activity-stream.asrouter.useRemoteL10n", true);
 pref("browser.newtabpage.activity-stream.discoverystream.enabled", true);
 pref("browser.newtabpage.activity-stream.discoverystream.hardcoded-basic-layout", false);
 pref("browser.newtabpage.activity-stream.discoverystream.spocs-endpoint", "");
+// List of langs that get the 7 row layout.
+pref("browser.newtabpage.activity-stream.discoverystream.lang-layout-config", "en");
 
 // The pref controls if search hand-off is enabled for Activity Stream.
 #ifdef NIGHTLY_BUILD