diff --git a/webapp/controller/RechargeController.class.php b/webapp/controller/RechargeController.class.php
index 09dc60e..867d5e6 100644
--- a/webapp/controller/RechargeController.class.php
+++ b/webapp/controller/RechargeController.class.php
@@ -549,7 +549,7 @@ class RechargeController
                 );
             } else {
                 $daily_purchase = array();
-                if ($rechargerow['daily_purchase'] != null && $rechargerow['daily_purchase'] != '') {
+                if ($rechargerow['daily_purchase'] != NULL) {
                     $daily_purchase = json_decode($rechargerow['daily_purchase'], true);
                 }
                 $found = false;