diff --git a/themes/robbyrussell.zsh-theme b/themes/robbyrussell.zsh-theme
index f9eca6a87..9375fbc07 100644
--- a/themes/robbyrussell.zsh-theme
+++ b/themes/robbyrussell.zsh-theme
@@ -1,4 +1,6 @@
-local ret_status="%(?:%{$fg_bold[green]%}➜ :%{$fg_bold[red]%}➜ )"
+PROMPT_SYMBOL=${ZSH_THEME_PROMPT_SYMBOL:-➜}
+
+local ret_status="%(?:%{$fg_bold[green]%}${PROMPT_SYMBOL} :%{$fg_bold[red]%}${PROMPT_SYMBOL} )"
 PROMPT='${ret_status} %{$fg[cyan]%}%c%{$reset_color%} $(git_prompt_info)'
 
 ZSH_THEME_GIT_PROMPT_PREFIX="%{$fg_bold[blue]%}git:(%{$fg[red]%}"