diff --git a/gio/gopenuriportal.c b/gio/gopenuriportal.c
index 51a72dfc2..247ed8ce7 100644
--- a/gio/gopenuriportal.c
+++ b/gio/gopenuriportal.c
@@ -197,7 +197,8 @@ open_call_done (GObject      *source,
                 GAsyncResult *result,
                 gpointer      user_data)
 {
-  GDBusConnection *connection = G_DBUS_CONNECTION (source);
+  GXdpOpenURI *openuri = GXDP_OPEN_URI (source);
+  GDBusConnection *connection;
   GTask *task = user_data;
   GError *error = NULL;
   gboolean open_file;
@@ -206,6 +207,7 @@ open_call_done (GObject      *source,
   const char *handle;
   guint signal_id;
 
+  connection = g_dbus_proxy_get_connection (G_DBUS_PROXY (openuri));
   open_file = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (task), "open-file"));
 
   if (open_file)