diff --git a/src/main/cljc/dda/c4k_forgejo/forgejo.cljc b/src/main/cljc/dda/c4k_forgejo/forgejo.cljc
index 0a011dd..88ac2b3 100644
--- a/src/main/cljc/dda/c4k_forgejo/forgejo.cljc
+++ b/src/main/cljc/dda/c4k_forgejo/forgejo.cljc
@@ -36,6 +36,7 @@
 (def config-defaults {:issuer "staging"})
 
 (def config? (s/keys :req-un [::fqdn
+                              ::forgejo-image-name
                               ::mailer-from
                               ::mailer-host
                               ::mailer-port