diff --git a/themes/prose.zsh-theme b/themes/prose.zsh-theme
index 74c59c071..d64a7ab67 100644
--- a/themes/prose.zsh-theme
+++ b/themes/prose.zsh-theme
@@ -16,8 +16,12 @@ function hg_prompt_info {
 patches: <patches|join( → )|pre_applied(%{$fg[yellow]%})|post_applied(%{$reset_color%})|pre_unapplied(%{$fg_bold[black]%})|post_unapplied(%{$reset_color%})>>" 2>/dev/null
 }
 
+function box_name {
+    [ -f ~/.box-name ] && cat ~/.box-name || hostname -s
+}
+
 PROMPT='
-%{$fg[magenta]%}%n%{$reset_color%} at %{$fg[yellow]%}%m%{$reset_color%} in %{$fg_bold[green]%}${PWD/#$HOME/~}%{$reset_color%}$(hg_prompt_info)$(git_prompt_info)
+%{$fg[magenta]%}%n%{$reset_color%} at %{$fg[yellow]%}$(box_name)%{$reset_color%} in %{$fg_bold[green]%}${PWD/#$HOME/~}%{$reset_color%}$(hg_prompt_info)$(git_prompt_info)
 $(virtualenv_info)$(prompt_char) '
 
 ZSH_THEME_GIT_PROMPT_PREFIX=" on %{$fg[magenta]%}"