diff --git a/themes/af-magic.zsh-theme b/themes/af-magic.zsh-theme
index f241efb6..3c2f4565 100644
--- a/themes/af-magic.zsh-theme
+++ b/themes/af-magic.zsh-theme
@@ -8,8 +8,6 @@
 # Created on:		June 19, 2012
 # Last modified on:	June 20, 2012
 
-
-
 if [ $UID -eq 0 ]; then NCOLOR="red"; else NCOLOR="green"; fi
 local return_code="%(?..%{$fg[red]%}%? ↵%{$reset_color%})"
 
@@ -27,7 +25,12 @@ eval my_gray='$FG[237]'
 eval my_orange='$FG[214]'
 
 # right prompt
-RPROMPT='$(virtualenv_prompt_info)$my_gray%n@%m%{$reset_color%}%'
+if type "virtualenv_prompt_info" > /dev/null
+then
+	RPROMPT='$(virtualenv_prompt_info)$my_gray%n@%m%{$reset_color%}%'
+else
+	RPROMPT='$my_gray%n@%m%{$reset_color%}%'
+fi
 
 # git settings
 ZSH_THEME_GIT_PROMPT_PREFIX="$FG[075](branch:"