1 files changed, 3 insertions, 1 deletions
diff --git a/plugins/mm-plugin-cinterion.c b/plugins/mm-plugin-cinterion.c
index c5f02616..28de08f1 100644
--- a/plugins/mm-plugin-cinterion.c
+++ b/plugins/mm-plugin-cinterion.c
@@ -73,7 +73,9 @@ grab_port (MMPluginBase *base,
     if (!mm_base_modem_grab_port (existing ? existing : modem,
                                   subsys,
                                   name,
-                                  MM_PORT_TYPE_UNKNOWN)) {
+                                  MM_PORT_TYPE_AT, /* we only allow AT ports here */
+                                  MM_AT_PORT_FLAG_NONE,
+                                  error)) {
         if (modem)
             g_object_unref (modem);
         return NULL;