diff --git a/tests/system/HTTP/CURLRequestTest.php b/tests/system/HTTP/CURLRequestTest.php
index cfd9ff91221e..18f94d78a287 100644
--- a/tests/system/HTTP/CURLRequestTest.php
+++ b/tests/system/HTTP/CURLRequestTest.php
@@ -1219,7 +1219,8 @@ public function testForceResolveIPUnknown(): void
 
         $options = $this->request->curl_options;
 
-        $this->assertArrayNotHasKey(CURLOPT_IPRESOLVE, $options);
+        $this->assertArrayHasKey(CURLOPT_IPRESOLVE, $options);
+        $this->assertSame(\CURL_IPRESOLVE_WHATEVER, $options[CURLOPT_IPRESOLVE]);
     }
 
     public function testCookieOption(): void