diff --git a/platform/firefox/bootstrap.js b/platform/firefox/bootstrap.js
index d1adfc47b..d8046b8a9 100644
--- a/platform/firefox/bootstrap.js
+++ b/platform/firefox/bootstrap.js
@@ -86,7 +86,7 @@ function startup(data, reason) {
         );
     };
 
-    if ( reason !== APP_STARTUP ) {
+    if ( reason !== APP_STARTUP && reason !== ADDON_INSTALL) {
         onReady();
         return;
     }