diff --git a/mailnews/base/util/OAuth2.jsm b/mailnews/base/util/OAuth2.jsm
index 8c9282d025..45a3567d52 100644
--- a/mailnews/base/util/OAuth2.jsm
+++ b/mailnews/base/util/OAuth2.jsm
@@ -49,7 +49,7 @@ OAuth2.prototype = {
     consumerSecret: null,
     completionURI: "http://localhost",
     requestWindowURI: "chrome://messenger/content/browserRequest.xul",
-    requestWindowFeatures: "chrome,private,centerscreen,width=980,height=600",
+    requestWindowFeatures: "chrome,non-private,centerscreen,width=980,height=600",
     requestWindowTitle: "",
     scope: null,