diff --git a/assets/app.js b/assets/app.js
index 9c68870..703a3e1 100644
--- a/assets/app.js
+++ b/assets/app.js
@@ -74,7 +74,10 @@ document.addEventListener('DOMContentLoaded', () => {
       this.defaultOpeningHours = openingHoursInput.value;
 
       this.makeForm();
-      this.parseOpeningHoursValue();
+
+      if (this.defaultOpeningHours !== '') {
+        this.parseOpeningHoursValue();
+      }
     },
     parseOpeningHoursValue: function () {
       // Analyser la chaîne d'horaires d'ouverture