diff --git a/Dockerfile b/Dockerfile
index 48214de..423d123 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # Base on latest (edge) alpine image
 FROM harbor.ervine.dev/public/x86_64/alpine:v3.12
-LABEL "Maintainer Jonathan Ervine <docker@ervine.org>"
+LABEL MAINTAINER="Jonathan Ervine <docker@ervine.org>"
 
 # Install updates
 ENV LANG='en_US.UTF-8' \