export XDG_CACHE_HOME="$HOME/.cache"
 export HOST=$(hostname)
 
-if [[ $+commands[systemctl] ]]; then
+if hash systemctl 2>/dev/null; then
     systemctl --user import-environment \
         XDG_CACHE_HOME \
         XDG_CONFIG_HOME \
 export VISUAL=vim
 
 # default browser
-export BROWSER=dwb
+export BROWSER=qutebrowser
 
 # mail
 export NOTMUCH_CONFIG="$XDG_CONFIG_HOME/notmuch"