diff --git a/Dockerfile b/Dockerfile
index 5f3d3c2..9eb42cb 100755
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,5 +17,6 @@ RUN docker-php-ext-install -j$(nproc) pdo_mysql pdo_pgsql ldap gettext
 RUN curl https://getcomposer.org/installer|php -- --install-dir=/usr/local/bin --filename=composer
 
 COPY init /sbin
+RUN chmod 550 /sbin/init && chown 0:33 /sbin/init
 ENTRYPOINT [ "/sbin/init" ]
 CMD [ "php-fpm" ]