Zsh tab completion duplicating command name

Question

I\'m on OS X Mountain Lion, running the included ZSH shell (4.3.11) with Oh-My-ZSH installed over the top.

When using tab completion with commands such as homebrew, when

Answer 1

It's an old thread but I faced similar issue in my zsh setup with oh-my-zsh configuration.

Setting export LC_ALL=en_US.UTF-8 fixed the issue.