diff --git a/Dockerfile b/Dockerfile
index 5e22250..1640a0a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,6 +9,8 @@ RUN chown executor:executor /data
 RUN echo "*	*	*	*	*	/usr/local/bin/cron-command" >> /etc/crontabs/root
 RUN	apk del shadow
 ADD dockerbin/* checker/* src/* /usr/local/bin/
+# remove tty autospawn from inittab
+RUN sed 's/^tty.*$//g' -i /etc/inittab
 
 
 CMD [ "/sbin/init" ]