diff --git a/tools/install.sh b/tools/install.sh
index 3ac4df4..cb724f6 100755
--- a/tools/install.sh
+++ b/tools/install.sh
@@ -215,7 +215,7 @@ else
         cp systemd/arkmanager.service "${INSTALL_ROOT}/etc/systemd/system/arkmanager.service"
         sed -i "s|=/usr/libexec/arkmanager/|=${LIBEXECDIR}/|" "${INSTALL_ROOT}/etc/systemd/system/arkmanager.service"
         cp systemd/arkmanager@.service "${INSTALL_ROOT}/etc/systemd/system/arkmanager@.service"
-        sed -i "s|=/usr/bin/|=${BINDIR}/|" "${INSTALL_ROOT}/etc/systemd/system/arkmanager@.service"
+        sed -i "s|=/usr/bin/|=${BINDIR}/|;s|=steam$|=${steamcmd_user}|" "${INSTALL_ROOT}/etc/systemd/system/arkmanager@.service"
         if [ -z "${INSTALL_ROOT}" ]; then
           systemctl daemon-reload
           systemctl enable arkmanager.service
@@ -243,7 +243,7 @@ else
         cp systemd/arkmanager.service "${INSTALL_ROOT}/etc/systemd/system/arkmanager.service"
         sed -i "s|=/usr/libexec/arkmanager/|=${LIBEXECDIR}/|" "${INSTALL_ROOT}/etc/systemd/system/arkmanager.service"
         cp systemd/arkmanager@.service "${INSTALL_ROOT}/etc/systemd/system/arkmanager@.service"
-        sed -i "s|=/usr/bin/|=${BINDIR}/|" "${INSTALL_ROOT}/etc/systemd/system/arkmanager@.service"
+        sed -i "s|=/usr/bin/|=${BINDIR}/|;s|=steam$|=${steamcmd_user}|" "${INSTALL_ROOT}/etc/systemd/system/arkmanager@.service"
         if [ -z "${INSTALL_ROOT}" ]; then
           systemctl daemon-reload
           systemctl enable arkmanager.service
@@ -277,7 +277,7 @@ else
       cp systemd/arkmanager.service "${INSTALL_ROOT}/etc/systemd/system/arkmanager.service"
       sed -i "s|=/usr/libexec/arkmanager/|=${LIBEXECDIR}/|" "${INSTALL_ROOT}/etc/systemd/system/arkmanager.service"
       cp systemd/arkmanager@.service "${INSTALL_ROOT}/etc/systemd/system/arkmanager@.service"
-      sed -i "s|=/usr/bin/|=${BINDIR}/|" "${INSTALL_ROOT}/etc/systemd/system/arkmanager@.service"
+      sed -i "s|=/usr/bin/|=${BINDIR}/|;s|=steam$|=${steamcmd_user}|" "${INSTALL_ROOT}/etc/systemd/system/arkmanager@.service"
       if [ -z "${INSTALL_ROOT}" ]; then
         systemctl daemon-reload
         systemctl enable arkmanager.service
diff --git a/tools/systemd/arkmanager@.service b/tools/systemd/arkmanager@.service
index 49b722c..4c92d0f 100644
--- a/tools/systemd/arkmanager@.service
+++ b/tools/systemd/arkmanager@.service
@@ -2,5 +2,6 @@
 Description=Daemon to start an ark server instance
 
 [Service]
+User=steam
 ExecStart=/usr/bin/arkmanager useconfig %i run
 Type=simple
diff --git a/tools/upstart/arkmanager-instance.conf b/tools/upstart/arkmanager-instance.conf
index 0b219a4..4f203bf 100644
--- a/tools/upstart/arkmanager-instance.conf
+++ b/tools/upstart/arkmanager-instance.conf
@@ -2,6 +2,8 @@ description "ARK Server Tools service"
 
 instance $service
 
+setuid steam
+
 env DAEMON="/usr/bin/arkmanager"
 
 exec "$DAEMON" useconfig $service run