diff --git a/zshrc b/zshrc
index 020540c..a3161ca 100644
--- a/zshrc
+++ b/zshrc
@@ -23,7 +23,17 @@ setopt prompt_subst
 if [ "$SSH_CONNECTION" ]; then
     PROMPT_HOST="%F{yellow}[ssh] $HOST%f "
 fi
-export PROMPT='$PROMPT_HOST%(?..%F{red}%? )%f%20<…<%~%<<$(pretty-git-prompt) %F{117}>%f '
+
+function ret {
+    case $? in
+        0) ;;
+        126) echo "%F{red}[PERMISSION]%f " ;;
+        127) echo "%F{red}[NOTFOUND]%f " ;;
+        <129-254>) echo "%F{red}[SIG$(kill -l $(($? - 127)))]%f " ;;
+        *) echo "%F{red}$?%f " ;;
+    esac
+}
+export PROMPT='$PROMPT_HOST$(ret)%f%20<…<%~%<<$(pretty-git-prompt) %F{117}>%f '
 
 HISTSIZE=20000
 HISTFILE=~/.zsh_history