diff --git a/modules/dgn-console.nix b/modules/dgn-console.nix
index 17fe466..e2c1ae1 100644
--- a/modules/dgn-console.nix
+++ b/modules/dgn-console.nix
@@ -32,18 +32,19 @@ in
 
     services.nscd.enableNsncd = false;
     programs.bash.promptInit = ''
+      FQDN="$(hostname).$(domainname)"
       # Provide a nice prompt if the terminal supports it.
       if [ "$TERM" != "dumb" ] || [ -n "$INSIDE_EMACS" ]; then
         PROMPT_COLOR="1;31m"
         ((UID)) && PROMPT_COLOR="1;32m"
         if [ -n "$INSIDE_EMACS" ] || [ "$TERM" = "eterm" ] || [ "$TERM" = "eterm-color" ]; then
           # Emacs term mode doesn't support xterm title escape sequence (\e]0;)
-          PS1="\n\[\033[$PROMPT_COLOR\][\u@$(hostname -f):\w]\\$\[\033[0m\] "
+          PS1="\n\[\033[$PROMPT_COLOR\][\u@$FQDN:\w]\\$\[\033[0m\] "
         else
-          PS1="\n\[\033[$PROMPT_COLOR\][\[\e]0;\u@\H: \w\a\]\u@$(hostname -f):\w]\\$\[\033[0m\] "
+          PS1="\n\[\033[$PROMPT_COLOR\][\[\e]0;\u@\H: \w\a\]\u@$FQDN:\w]\\$\[\033[0m\] "
         fi
         if test "$TERM" = "xterm"; then
-          PS1="\[\033]2;$(hostname -f):\u:\w\007\]$PS1"
+          PS1="\[\033]2;$FQDN:\u:\w\007\]$PS1"
         fi
       fi
     '';