diff --git a/tests/phpunit/CRM/Contribute/Form/ContributionTest.php b/tests/phpunit/CRM/Contribute/Form/ContributionTest.php
index 41a9bddfabf7..9a5863a081a3 100644
--- a/tests/phpunit/CRM/Contribute/Form/ContributionTest.php
+++ b/tests/phpunit/CRM/Contribute/Form/ContributionTest.php
@@ -1026,7 +1026,7 @@ public function testPartialPaymentWithCreditCard() {
       'total_amount' => 40,
       'currency' => 'USD',
       'financial_type_id' => 1,
-      'payment_instrument_id' => array_search('Credit card', $this->paymentInstruments),
+      'payment_instrument_id' => array_search('Credit Card', $this->paymentInstruments),
       'payment_processor_id' => $this->paymentProcessorID,
       'credit_card_exp_date' => ['M' => 5, 'Y' => 2025],
       'credit_card_number' => '411111111111111',