diff --git a/vendor/magento/module-reward/Model/System/Config/Backend/Balance.php b/vendor/magento/module-reward/Model/System/Config/Backend/Balance.php
index c3b26591b1bb..87a6431a4a2e 100644
--- a/vendor/magento/module-reward/Model/System/Config/Backend/Balance.php
+++ b/vendor/magento/module-reward/Model/System/Config/Backend/Balance.php
@@ -28,12 +28,12 @@ public function beforeSave()
             return $this;
         }
 
-        if ($this->getFieldsetDataValue('min_points_balance') < 0) {
+        if ((int)$this->getFieldsetDataValue('min_points_balance') < 0) {
             $message = __('The "Minimum Reward Points Balance" is invalid. '
                 . 'The balance needs to be a positive number or left empty. Verify and try again.');
             throw new LocalizedException($message);
         }
-        if ($this->getFieldsetDataValue('max_points_balance') < 0) {
+        if ((int)$this->getFieldsetDataValue('max_points_balance') < 0) {
             $message = __('The "Cap Reward Points Balance" is invalid. '
                 . 'The balance needs to be a positive number or left empty. Verify and try again.');
             throw new LocalizedException($message);