diff --git a/plugin/src/test/java/org/jenkinsci/plugins/workflow/cps/SnippetizerTester.java b/plugin/src/test/java/org/jenkinsci/plugins/workflow/cps/SnippetizerTester.java
index cbddb5a3a..31fb47b11 100644
--- a/plugin/src/test/java/org/jenkinsci/plugins/workflow/cps/SnippetizerTester.java
+++ b/plugin/src/test/java/org/jenkinsci/plugins/workflow/cps/SnippetizerTester.java
@@ -85,7 +85,7 @@ protected void assertGenerateSnippet(@NonNull String url, @NonNull String json,
         List<NameValuePair> params = new ArrayList<>();
         params.add(new NameValuePair("json", json));
         // WebClient.addCrumb *replaces* rather than *adds*:
-        params.add(new NameValuePair(r.jenkins.getCrumbIssuer().getDescriptor().getCrumbRequestField(), r.jenkins.getCrumbIssuer().getCrumb(null)));
+        params.add(new NameValuePair(r.jenkins.getCrumbIssuer().getDescriptor().getCrumbRequestField(), r.jenkins.getCrumbIssuer().getCrumb()));
         wrs.setRequestParameters(params);
         WebResponse response = wc.getPage(wrs).getWebResponse();
         assertEquals("text/plain", response.getContentType());