1 files changed, 8 insertions, 0 deletions
diff --git a/src/mm-bearer-mbim.c b/src/mm-bearer-mbim.c
index b808f547..c5ca427d 100644
--- a/src/mm-bearer-mbim.c
+++ b/src/mm-bearer-mbim.c
@@ -1125,6 +1125,14 @@ _connect (MMBaseBearer *self,
     if (!peek_ports (self, &device, &data, callback, user_data))
         return;
 
+    if (mm_bearer_properties_get_multiplex (mm_base_bearer_peek_config (self)) == MM_BEARER_MULTIPLEX_SUPPORT_REQUIRED) {
+        g_task_report_new_error (
+            self, callback, user_data, _connect,
+            MM_CORE_ERROR, MM_CORE_ERROR_UNSUPPORTED,
+            "Multiplex support not available");
+        return;
+    }
+
     g_object_get (self,
                   MM_BASE_BEARER_MODEM, &modem,
                   NULL);