diff --git a/inc/ui/principal-edit.php b/inc/ui/principal-edit.php
index a2821eaf..20dee7fa 100644
--- a/inc/ui/principal-edit.php
+++ b/inc/ui/principal-edit.php
@@ -976,7 +976,7 @@ function binding_row_editor() {
 
       $_POST['bound_source_id'] = $dav_id;
       $_POST['external_url'] = $href;
-      $_POST['external_type'] = 'calendar';
+      $_POST['type'] = 'calendar';
     }
     else {
       // internal bind