diff --git a/plugins/woocommerce/tests/legacy/unit-tests/util/api-functions.php b/plugins/woocommerce/tests/legacy/unit-tests/util/api-functions.php
index 8d9eb9d2a9e..e5ffb2358bb 100644
--- a/plugins/woocommerce/tests/legacy/unit-tests/util/api-functions.php
+++ b/plugins/woocommerce/tests/legacy/unit-tests/util/api-functions.php
@@ -167,7 +167,7 @@ class WC_Tests_API_Functions extends WC_Unit_Test_Case {
 	 * @since 2.6.0
 	 */
 	public function test_wc_rest_urlencode_rfc3986() {
-		$this->assertEquals( 'https%3A%2F%woo.com%2F', wc_rest_urlencode_rfc3986( 'https://woo.com/' ) );
+		$this->assertEquals( 'https%3A%2F%2Fwoo.com%2F', wc_rest_urlencode_rfc3986( 'https://woo.com/' ) );
 	}
 
 	/**