diff --git a/browser/components/nsBrowserGlue.js b/browser/components/nsBrowserGlue.js
index fd6991b6515c..cd11944a4d47 100644
--- a/browser/components/nsBrowserGlue.js
+++ b/browser/components/nsBrowserGlue.js
@@ -741,6 +741,10 @@ BrowserGlue.prototype = {
 #endif
     webrtcUI.uninit();
     FormValidationHandler.uninit();
+
+    // XXX: Temporary hack to allow Loop FxA login after a restart to work.
+    // Remove this once bug 1071247 is deployed.
+    Services.prefs.clearUserPref("loop.hawk-session-token.fxa");
   },
 
   // All initial windows have opened.