diff --git a/tests/php/Functional/Shared/SurchargeHandlerTest.php b/tests/php/Functional/Shared/SurchargeHandlerTest.php
index bbf43be0..764616cd 100644
--- a/tests/php/Functional/Shared/SurchargeHandlerTest.php
+++ b/tests/php/Functional/Shared/SurchargeHandlerTest.php
@@ -59,6 +59,7 @@ public function addsSurchargeFeesInCheckout(){
             [new Surcharge()],
             ['canProcessOrder', 'canProcessGateway', 'orderRemoveFee', 'orderAddFee']
         )->getMock();
+        $testee->initializeGatewayFeeLabel();
         expect('mollieWooCommerceIsCheckoutContext')->andReturn(true);
         expect('wc_tax_enabled')->andReturn(false);
         expect('WC')->andReturn($this->wooCommerce());
@@ -106,6 +107,7 @@ public function addsSurchargeFeesInOrderPayPage()
             [new Surcharge()],
             ['canProcessOrder', 'canProcessGateway', 'orderRemoveFee', 'orderAddFee']
         )->getMock();
+        $testee->initializeGatewayFeeLabel();
 
         $testee->expects($this->once())
             ->method('canProcessOrder')