diff --git a/Dockerfile b/Dockerfile
index 63a1ec7..8760edc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -49,4 +49,4 @@ COPY entrypoint.sh /
 RUN chmod +x /entrypoint.sh
 
 EXPOSE 80 8443 9131
-ENTRYPOINT [ "tini", "--", "/entrypoint.sh" ]
+CMD [ "tini", "--", "/entrypoint.sh" ]
diff --git a/entrypoint.sh b/entrypoint.sh
index 3e352cc..631a8d3 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -56,5 +56,5 @@ varnishd \
   -a proxy=:8443,PROXY \
   -p feature=+http2 \
   -s "malloc,${VARNISH_SIZE}" \
-  "${CUSTOM_ARGS}" \
+  ${CUSTOM_ARGS} \
   "$@"