diff --git a/app/code/Magento/Catalog/Helper/Data.php b/app/code/Magento/Catalog/Helper/Data.php
index 0d38072aa4980..96932dc3a42d9 100644
--- a/app/code/Magento/Catalog/Helper/Data.php
+++ b/app/code/Magento/Catalog/Helper/Data.php
@@ -550,7 +550,7 @@ public function getTaxPrice(
             $taxClassKey->setType(TaxClassKeyInterface::TYPE_ID)
                 ->setValue($product->getTaxClassId());
 
-            if ($ctc === null && $this->_customerSession->getCustomerGroupId() != null) {
+            if ($ctc === null && $this->_customerSession->getCustomerGroupId() !== null) {
                 $ctc = $this->customerGroupRepository->getById($this->_customerSession->getCustomerGroupId())
                     ->getTaxClassId();
             }