diff --git a/src/nm-manager.c b/src/nm-manager.c
index 778e3b9..57f3e8d 100644
--- a/src/nm-manager.c
+++ b/src/nm-manager.c
@@ -2453,7 +2453,14 @@ _device_auth_done_fail_on_idle (gpointer user_data, GCancellable *cancellable)
 	NMManagerDeviceAuthRequestFunc callback;
 	gpointer callback_user_data;
 
-	nm_utils_user_data_unpack (&self, &device, &context, &subject, &error_original, &callback, &callback_user_data);
+	nm_utils_user_data_unpack (user_data,
+	                           &self,
+	                           &device,
+	                           &context,
+	                           &subject,
+	                           &error_original,
+	                           &callback,
+	                           &callback_user_data);
 
 	g_cancellable_set_error_if_cancelled (cancellable, &error_cancelled);