diff --git a/Dockerfile.linux.amd64 b/Dockerfile.linux.amd64
index 980322c..3f188f5 100644
--- a/Dockerfile.linux.amd64
+++ b/Dockerfile.linux.amd64
@@ -34,6 +34,6 @@ VOLUME /var/www/app/themes.local
 EXPOSE 80
 
 ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]
-HEALTHCHECK --interval 30s --timeout 10s --retries 5 CMD wget --quiet --tries=1 --spider http://localhost
+HEALTHCHECK --interval=30s --timeout=10s --retries=5 CMD wget --quiet --tries=1 --spider http://localhost
 WORKDIR /var/www/app
 CMD []