diff --git a/Dockerfile b/Dockerfile
index dea06f8..c2517cf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,7 @@
-FROM alpine:3
-RUN apk add openntpd && mkdir -m 1777 /var/empty/tmp
+FROM debian:10-slim
+RUN apt-get update && apt-get -y install openntpd \ 
+    && mkdir /var/run/openntpd \ 
+    && apt-get clean
 COPY ./ntpd.conf /etc/ntpd.conf
 EXPOSE 123/udp
 ENTRYPOINT ["/usr/sbin/ntpd", "-d", "-f", "/etc/ntpd.conf"]
diff --git a/ntpd.conf b/ntpd.conf
index d081ecc..a2521dd 100644
--- a/ntpd.conf
+++ b/ntpd.conf
@@ -9,5 +9,3 @@ server sth2.ntp.se weight 1
 server svl1.ntp.se weight 1
 server svl2.ntp.se weight 1
 
-sensor *
-constraints from "https://www.google.se"