diff --git a/package.json b/package.json
index 04c98be..d9b4079 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   },
   "name": "vue-functional-calendar",
   "description": "Lightweight, high-performance calendar component based on Vue.js",
-  "version": "2.9.9",
+  "version": "2.9.94",
   "license": "MIT",
   "repository": {
     "type": "git",
diff --git a/src/components/Day.vue b/src/components/Day.vue
index 11d8d0b..3dd0e0f 100644
--- a/src/components/Day.vue
+++ b/src/components/Day.vue
@@ -262,7 +262,7 @@ export default {
       const datesCollection = this.fConfigs.enabledDates
 
       return (
-        !datesCollection?.length ||
+        !datesCollection.length ||
         this.isDateIncludedInDatesCollection(date, datesCollection)
       )
     },