diff --git a/src/calls-new-call-box.c b/src/calls-new-call-box.c
index a192b76..aac15a4 100644
--- a/src/calls-new-call-box.c
+++ b/src/calls-new-call-box.c
@@ -147,7 +147,7 @@ notify_selected_index_cb (CallsNewCallBox *self)
   gboolean numeric_input = TRUE;
 
   if (origin)
-    g_object_get (origin, "numeric-addresses", &numeric_input, NULL);
+    numeric_input = calls_origin_supports_protocol (origin, "tel");
 
   set_numeric (self, numeric_input);
 }