diff --git a/js/app/date_poll.js b/js/app/date_poll.js
index 67c71a0..d63684d 100644
--- a/js/app/date_poll.js
+++ b/js/app/date_poll.js
@@ -42,11 +42,21 @@ $(document).ready(function () {
 
         if (nb_filled_days >= 1 && nb_filled_hours >= 1) {
             $('button[name="choixheures"]').removeClass('disabled');
+            return true;
         } else {
             $('button[name="choixheures"]').addClass('disabled');
+            return false;
         }
     };
 
+    // Handle form submission
+    $(document.formulaire).on('submit', function (e) {
+        if (!submitDaysAvalaible()) {
+            e.preventDefault();
+            e.stopPropagation();
+        }
+    });
+
     // Button "Remove all hours"
 
     $(document).on('click', '#resethours', function () {