diff --git a/install-debian.sh b/install-debian.sh
index 16c0b3d..bc4fd86 100644
--- a/install-debian.sh
+++ b/install-debian.sh
@@ -18,8 +18,9 @@ apt-get dist-upgrade -y
 apt-get autoclean -y
 
 # get users directory
-root_user=$(grep ':0:' /etc/passwd | awk -F':' '{print $6}')
-default_user=$(egrep '\:100[0-9]\:' /etc/passwd | tail -n 1 | awk -F':' '{print $6}')
+root_user_path=$(grep ':0:' /etc/passwd | awk -F':' '{print $6}')
+default_user_path=$(egrep '\:100[0-9]\:' /etc/passwd | tail -n 1 | awk -F':' '{print $6}')
+default_user=$(egrep '\:100[0-9]\:' /etc/passwd | tail -n 1 | awk -F':' '{print $1}')
 
 # default shell
 apt-get install -y sudo mc tree pv vim bash-completion
@@ -29,14 +30,14 @@ apt-get install -y zsh && (
     sed -i -- 's/\/bin\/bash/\/bin\/zsh/' /etc/passwd
     wget -O /etc/zsh/newuser.zshrc.recommended \
             http://git.grml.org/f/grml-etc-core/etc/zsh/zshrc
-    cp -f /etc/zsh/newuser.zshrc.recommended $default_user/.zshrc
-    cp -f /etc/zsh/newuser.zshrc.recommended $root_user/.zshrc
+    cp -f /etc/zsh/newuser.zshrc.recommended ${default_user_path}/.zshrc
+    cp -f /etc/zsh/newuser.zshrc.recommended ${root_user_path}/.zshrc
 )
 
 # add tmux auto start
 apt-get install -y tmux && (
-    echo 'if [ "$TMUX" = "" ]; then tmux; fi' | cat - $default_user/.zshrc > \
-        /tmp/.zshrc && mv /tmp/.zshrc $default_user/.zshrc
+    echo 'if [ "$TMUX" = "" ]; then tmux; fi' | cat - ${default_user_path}/.zshrc > \
+        /tmp/.zshrc && mv /tmp/.zshrc ${default_user_path}/.zshrc
 )
 
 # diagnostics
@@ -53,14 +54,17 @@ apt-get install -y axel wget ethtool fping
 apt-get install -y apt-file aptitude hexedit manpages-de
 
 # configure vim
-touch $root_user/.vimrc $default_user/.vimrc
+touch ${root_user_path}/.vimrc ${default_user_path}/.vimrc
 for config in "filetype plugin indent on" "set tabstop=4" "set shiftwidth=4" \
               "set expandtab" "syntax enable" "set softtabstop=4" \
               "set number" "set showcmd" "set cursorline"; do
-    grep "$config" $root_user/.vimrc || echo "$config" >> $root_user/.vimrc
-    grep "$config" $default_user/.vimrc || echo "$config" >> $default_user/.vimrc
+    grep "$config" ${root_user_path}/.vimrc || echo "$config" >> ${root_user_path}/.vimrc
+    grep "$config" ${default_user_path}/.vimrc || echo "$config" >> ${default_user_path}/.vimrc
 done
 
+# configure user files
+chown ${default_user}:${default_user} ${default_user_path}/.vimrc ${default_user_path}/.zshrc
+
 # configure tmux
 cat > /etc/tmux.conf <<EOL
 bind '"' split-window -c "#{pane_current_path}"