diff --git a/src/GitHub/GitHubConnector.ts b/src/GitHub/GitHubConnector.ts
index c33489f6e..e5c95a425 100644
--- a/src/GitHub/GitHubConnector.ts
+++ b/src/GitHub/GitHubConnector.ts
@@ -12,7 +12,7 @@ window.addEventListener("load", async () => {
   if (openerWindow) {
     const params = new URLSearchParams(document.location.search);
     await postRobot.send(
-      window,
+      openerWindow,
       GitHubConnectorMsgType,
       {
         state: params.get("state"),