diff --git a/project/templates/_macros.html b/project/templates/_macros.html
index 5457357..311ee0d 100644
--- a/project/templates/_macros.html
+++ b/project/templates/_macros.html
@@ -1631,6 +1631,7 @@ $('#allday').on('change', function() {
             remote: {
               url: "{{ url_for('js_check_event_place_name') }}",
               type: "post",
+              async: false,
               data: {
                 admin_unit_id: function() {
                   return "{{ admin_unit.id }}";
@@ -1662,6 +1663,7 @@ $('#allday').on('change', function() {
             remote: {
               url: "{{ url_for('js_check_organizer_name') }}",
               type: "post",
+              async: false,
               data: {
                 admin_unit_id: function() {
                   return "{{ admin_unit.id }}";