diff --git a/Dockerfile b/Dockerfile
index 8ce1c17..0b92c13 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,6 +3,7 @@ MAINTAINER Knut Ahlers <knut@ahlers.me>
 
 ENV USER share
 ENV PASS changeme
+ENV USER_UID 1000
 
 RUN apt-get update && \
     apt-get install -y openssh-server mcrypt && \
diff --git a/start.sh b/start.sh
index a32a1da..e006bba 100644
--- a/start.sh
+++ b/start.sh
@@ -1,12 +1,11 @@
 #!/bin/bash
 
-ENC_PASS=$(perl -e 'print crypt($ARGV[0], "password")' ${PASS})
-
 if ( id ${USER} ); then
-  echo "FATAL: User ${USER} already exists"
-  exit 1
+    echo "INFO: User ${USER} already exists"
+else
+    echo "INFO: User ${USER} does not exists, we create it"
+    ENC_PASS=$(perl -e 'print crypt($ARGV[0], "password")' ${PASS})
+    useradd -d /data -m -p ${ENC_PASS} -u ${USER_UID} -s /bin/sh ${USER}
 fi
 
-useradd -d /data -m -p ${ENC_PASS} -u 1000 -s /bin/sh ${USER}
-
 exec /usr/sbin/sshd -D