diff --git a/mailnews/base/prefs/content/am-smtp.js b/mailnews/base/prefs/content/am-smtp.js
index b56c4677df..b2932cdea7 100644
--- a/mailnews/base/prefs/content/am-smtp.js
+++ b/mailnews/base/prefs/content/am-smtp.js
@@ -6,7 +6,7 @@
 Components.utils.import("resource://gre/modules/Services.jsm");
 Components.utils.import("resource:///modules/mailServices.js");
 #ifdef MOZ_MAILNEWS_OAUTH2
-Components.utils.import("resource:///modules/OAuth2Providers.js");
+Components.utils.import("resource://gre/modules/OAuth2Providers.jsm");
 #endif
 
 var gSmtpServerListWindow =