diff --git a/Dockerfile b/Dockerfile
index 3810b51..f50981c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 ARG BASEIMAGE=alpine:3
 FROM $BASEIMAGE as base
 LABEL maintainer="Denys Zhdanov <denis.zhdanov@gmail.com>"
-LABEL org.opencontainers.image.source https://github.com/graphite-project/docker-graphite-statsd
+LABEL org.opencontainers.image.source=https://github.com/graphite-project/docker-graphite-statsd
 
 RUN true \
  && apk add --update --no-cache \