diff --git a/dockerfile b/dockerfile
index 5430b6f..ea13612 100644
--- a/dockerfile
+++ b/dockerfile
@@ -8,16 +8,16 @@ ARG VERSION_BIND
 
 
 RUN \
-	apk upgrade --no-cache; \
-	apk add --no-cache \
-		bind==${VERSION_BIND} \
-		supervisor;
+  apk upgrade --no-cache; \
+  apk add --no-cache \
+    bind==${VERSION_BIND} \
+    supervisor;
 
 
 EXPOSE \
-	53/tcp \
-	53/udp
-	# Others required? dnssec, secure updates, sone transfers DOT etc
+  53/tcp \
+  53/udp
+  # Others required? dnssec, secure updates, sone transfers DOT etc
 
 
 HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 CMD \
@@ -27,4 +27,9 @@ HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 CMD \
 COPY includes/ /
 
 
+RUN \
+  chown named:named -R /etc/bind; \
+  chmod 5771 /etc/bind;
+
+
 CMD [ "/usr/bin/supervisord", "-c", "/etc/supervisor/supervisord.conf" ]