diff --git a/zshrc b/zshrc
index 8a7f466..8d541ef 100644
--- a/zshrc
+++ b/zshrc
@@ -11,6 +11,7 @@ export DISABLE_AUTO_UPDATE=true
 plugins=(git svn-fast-info mercurial cabal gem perl rails ruby)
 
 source $ZSH/oh-my-zsh.sh
+unset GREP_OPTIONS    # oh-my-zsh breaks grep...
 
 setopt nocorrect_all
 alias ll=ll   # lojban lookup