diff --git a/Dockerfile b/Dockerfile
index ff19a12..2a0a9dd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM alpine:latest
 
 MAINTAINER Jochen Welzel
 
-RUN apk update && apk upgrade && apk add bash && apk add nsd
+RUN apk update && apk upgrade && apk add bash && apk add openssl && apk add nsd
 RUN mkdir -p /var/db/nsd/zones/master && mkdir /var/db/nsd/zones/slave && mkdir /var/run/nsd
 COPY nsd.conf.example /tmp
 COPY entrypoint.sh /
diff --git a/entrypoint.sh b/entrypoint.sh
index 3f7da15..24e8347 100644
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -4,6 +4,9 @@ set -e
 if [ ! -f "/etc/nsd/nsd.conf" ]; then
     cp /tmp/nsd.conf.example /etc/nsd/nsd.conf
 fi
+if [ ! -f "/etc/nsd/nsd_control.pem" ]; then
+    nsd-control-setup
+fi
 
 exec nsd -d