diff --git a/server/libs/validations/validDateRange.php b/server/libs/validations/validDateRange.php
index b332909e..c2bb3f05 100644
--- a/server/libs/validations/validDateRange.php
+++ b/server/libs/validations/validDateRange.php
@@ -8,9 +8,8 @@ class ValidDateRange extends AbstractRule {
 
     public function validate($dateRange) {
         $dateArray = json_decode($dateRange);
-        $length = count($dateArray);
-
-        if(is_array($dateArray) && $length == 2  ){
+        
+        if(is_array($dateArray) && count($dateArray) == 2  ){
             foreach ($dateArray as $date) {
                 if (!is_numeric($date)) return false;
             }