diff --git a/.ci/Jenkinsfile b/.ci/Jenkinsfile
index 953c539e..ffc1e719 100644
--- a/.ci/Jenkinsfile
+++ b/.ci/Jenkinsfile
@@ -630,8 +630,7 @@ def queue(String phpApiImageName, String pimImageName, String pimVersion, String
 @NonCPS
 def clearTemplateNames() {
     // see https://issues.jenkins-ci.org/browse/JENKINS-42184
-    def action = currentBuild.rawBuild.getAction(PodTemplateAction.class);
-    if(action) { action.names.clear() }
+    currentBuild.rawBuild.getAction( PodTemplateAction.class )?.stack?.clear()
 }
 
 /**