diff --git a/Dockerfile b/Dockerfile
index 5f74e2f..1e2cd68 100755
--- a/Dockerfile
+++ b/Dockerfile
@@ -108,7 +108,7 @@ RUN \
 	certbot-dns-linode \
 	certbot-dns-luadns \
 	certbot-dns-netcup \
-	certbot-dns-njalla\
+	certbot-dns-njalla \
 	certbot-dns-nsone \
 	certbot-dns-ovh \
 	certbot-dns-rfc2136 \