diff --git a/vars/podTemplates.groovy b/vars/podTemplates.groovy
index 20e2b29..e119744 100644
--- a/vars/podTemplates.groovy
+++ b/vars/podTemplates.groovy
@@ -27,7 +27,7 @@ spec:
     - /busybox/sh
 """
     }
-    if (requiredContainer.alpine == true) {
+    if (requiredContainers.alpine == true) {
         output += """
   - name: alpine
     imagePullPolicy: Always