diff --git a/app/code/Magento/Sales/Model/Order/Pdf/Total/DefaultTotal.php b/app/code/Magento/Sales/Model/Order/Pdf/Total/DefaultTotal.php
index aef42991031bf..39c501d7ff084 100644
--- a/app/code/Magento/Sales/Model/Order/Pdf/Total/DefaultTotal.php
+++ b/app/code/Magento/Sales/Model/Order/Pdf/Total/DefaultTotal.php
@@ -145,7 +145,7 @@ public function getFullTaxInfo()
     public function canDisplay()
     {
         $amount = $this->getAmount();
-        return $this->getDisplayZero() || $amount != 0;
+        return $this->getDisplayZero() === 'true' || $amount != 0;
     }
 
     /**