diff --git a/Dockerfile b/Dockerfile
index 3a3724a..47b2b50 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -27,6 +27,10 @@ ENV STEAMPORT 7778
 ENV BACKUPONSTOP 0
 # If the server warn the players before stopping
 ENV WARNONSTOP 0
+# UID of the user steam
+ENV UID 1000
+# GID of the user steam
+ENV GID 1000
 
 # Install dependencies 
 RUN apt-get update &&\ 
@@ -48,10 +52,13 @@ RUN usermod -a -G sudo steam
 
 # Copy & rights to folders
 COPY run.sh /home/steam/run.sh
+COPY user.sh /home/steam/user.sh
 COPY crontab /home/steam/crontab
 COPY arkmanager-user.cfg /home/steam/arkmanager.cfg
 
+RUN touch /root/.bash_profile
 RUN chmod 777 /home/steam/run.sh
+RUN chmod 777 /home/steam/user.sh
 RUN mkdir  /ark
 
 
@@ -75,7 +82,7 @@ COPY instance.cfg /etc/arkmanager/instances/main.cfg
 
 RUN chown steam -R /ark && chmod 755 -R /ark
 
-USER steam 
+#USER steam 
 
 # download steamcmd
 RUN mkdir /home/steam/steamcmd &&\ 
@@ -96,4 +103,4 @@ VOLUME  /ark
 WORKDIR /ark
 
 # Update game launch the game.
-ENTRYPOINT ["/home/steam/run.sh"]
+ENTRYPOINT ["/home/steam/user.sh"]
diff --git a/run.sh b/run.sh
index f235743..a6721af 100644
--- a/run.sh
+++ b/run.sh
@@ -1,6 +1,7 @@
 #!/usr/bin/env bash
 echo "###########################################################################"
 echo "# Ark Server - " `date`
+echo "# UID $UID - GID $GID"
 echo "###########################################################################"
 [ -p /tmp/FIFO ] && rm /tmp/FIFO
 mkfifo /tmp/FIFO
@@ -20,10 +21,7 @@ function stop {
 	exit
 }
 
-if [ ! -w /ark ]; then 
-	echo "[Error] Can't access ark directory. Check permissions on your mapped directory with /ark"
-	exit 1
-fi
+
 
 # Change working directory to /ark to allow relative path
 cd /ark
@@ -38,14 +36,14 @@ cp /home/steam/crontab /ark/template/crontab
 [ ! -d /ark/log ] && mkdir /ark/log
 [ ! -d /ark/backup ] && mkdir /ark/backup
 [ ! -d /ark/staging ] && mkdir /ark/staging
-[ ! -f /ark/Game.ini ] && ln -s server/ShooterGame/Saved/Config/LinuxServer/Game.ini Game.ini
-[ ! -f /ark/GameUserSettings.ini ] && ln -s server/ShooterGame/Saved/Config/LinuxServer/GameUserSettings.ini GameUserSettings.ini
+[ ! -L /ark/Game.ini ] && ln -s server/ShooterGame/Saved/Config/LinuxServer/Game.ini Game.ini
+[ ! -L /ark/GameUserSettings.ini ] && ln -s server/ShooterGame/Saved/Config/LinuxServer/GameUserSettings.ini GameUserSettings.ini
 [ ! -f /ark/crontab ] && cp /ark/template/crontab /ark/crontab
 
 
 
-if [ ! -d "/ark/server"  ] || [ ! -f "/ark/server/arkversion" ];then 
-	mkdir /ark/server
+if [ ! -d /ark/server  ] || [ ! -f /ark/server/arkversion ];then 
+	echo "No game files found. Installing..."
 	arkmanager install
 	# Create mod dir
 	mkdir /ark/server/ShooterGame/Content/Mods
diff --git a/user.sh b/user.sh
new file mode 100644
index 0000000..a49bdfc
--- /dev/null
+++ b/user.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Change the UID if needed
+if [ ! "$(id -u steam)" -eq "$UID" ]; then 
+	echo "Changing steam uid to $UID."
+	usermod -o -u "$UID" steam ; 
+fi
+# Change gid if needed
+if [ ! "$(id -g steam)" -eq "$GID" ]; then 
+	echo "Changing steam gid to $GID."
+	groupmod -o -g "$GID" steam ; 
+fi
+
+# Put steam owner of directories (if the uid changed, then it's needed)
+chown -R steam:steam /ark /home/steam
+
+# avoid error message when su -p (we need to read the /root/.bash_rc )
+chmod -R 777 /root/
+
+# Launch run.sh with user steam (-p allow to keep env variables)
+su -p - steam -c /home/steam/run.sh