diff --git a/rocketchat/manifests/apps-job.yml b/rocketchat/manifests/apps-job.yml
index 5c6d192869dcce7925a4cd04e3089292ac8a65e3..b04e3cb2c342e85c729edf1971f1ce9b2425bdd0 100644
--- a/rocketchat/manifests/apps-job.yml
+++ b/rocketchat/manifests/apps-job.yml
@@ -15,7 +15,7 @@ spec:
               value: http://${FQDN}-app:3000
             - name: USER
               valueFrom:
-                configMapRef:
+                configMapKeyRef:
                   key: ADMIN_USERNAME
                   name: ${FQDN}-config
             - name: PASS