diff --git a/kubernetes/values.yaml.template b/kubernetes/values.yaml.template
index 131c244..22e69ca 100644
--- a/kubernetes/values.yaml.template
+++ b/kubernetes/values.yaml.template
@@ -32,7 +32,8 @@ BACKEND:
   # optional
   SMTP_DKIM_DOMAINNAME: ocelot.social
   SMTP_DKIM_KEYSELECTOR: 2017
-  SMTP_DKIM_PRIVATKEY: "-----BEGIN RSA PRIVATE KEY-----\n<private.key>\n-----END RSA PRIVATE KEY-----\n"
+  # all newlines in one line with "\\n". multi line doesn't work with Helm
+  SMTP_DKIM_PRIVATKEY: "-----BEGIN RSA PRIVATE KEY-----\\n<private.key>\\n-----END RSA PRIVATE KEY-----\\n"
 
   # most likely you don't need to change this
   MIN_READY_SECONDS: "15"