diff --git a/addons/survey/static/src/js/survey.js b/addons/survey/static/src/js/survey.js
index 145005790ec..22cef677c45 100644
--- a/addons/survey/static/src/js/survey.js
+++ b/addons/survey/static/src/js/survey.js
@@ -183,7 +183,7 @@ if(!the_form.length) {
     // frontend does not load moment locale at all.
     // so wait until DOM ready with locale then init datetimepicker
     ready_with_locale.then(function(){
-        $('.form-control.date').datetimepicker({
+        $('.input-group.date').datetimepicker({
             format : time.getLangDateFormat(),
             minDate: moment({ y: 1900 }),
             maxDate: moment().add(200, "y"),