diff --git a/Dockerfile b/Dockerfile
index 5395bf5..f8f47c2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-From ubuntu:trusty
+From ubuntu:18.04
 MAINTAINER Elliott Ye
 
 # Set noninteractive mode for apt-get
@@ -9,7 +9,7 @@ RUN apt-get update
 
 # Start editing
 # Install package here for cache
-RUN apt-get -y install supervisor postfix sasl2-bin opendkim opendkim-tools
+RUN apt-get -y install supervisor postfix sasl2-bin opendkim opendkim-tools rsyslog
 
 # Add files
 ADD assets/install.sh /opt/install.sh
diff --git a/assets/install.sh b/assets/install.sh
index 0b2aaff..88ba76f 100755
--- a/assets/install.sh
+++ b/assets/install.sh
@@ -14,7 +14,7 @@ nodaemon=true
 command=/opt/postfix.sh
 
 [program:rsyslog]
-command=/usr/sbin/rsyslogd -n -c3
+command=/usr/sbin/rsyslogd -n
 EOF
 
 ############
@@ -127,4 +127,4 @@ cat >> /etc/opendkim/SigningTable <<EOF
 *@$maildomain mail._domainkey.$maildomain
 EOF
 chown opendkim:opendkim $(find /etc/opendkim/domainkeys -iname *.private)
-chmod 400 $(find /etc/opendkim/domainkeys -iname *.private)
\ No newline at end of file
+chmod 400 $(find /etc/opendkim/domainkeys -iname *.private)