diff --git a/modules/homebrew/README.md b/modules/homebrew/README.md
index 84b43865..12886c04 100644
--- a/modules/homebrew/README.md
+++ b/modules/homebrew/README.md
@@ -1,7 +1,8 @@
 Homebrew
 ========
 
-Defines Homebrew aliases.
+Defines Homebrew aliases, and if loaded before the completion module, adds
+homebrew-installed completions.
 
 Aliases
 -------
diff --git a/modules/homebrew/init.zsh b/modules/homebrew/init.zsh
index 1ebe793d..dfc5e571 100644
--- a/modules/homebrew/init.zsh
+++ b/modules/homebrew/init.zsh
@@ -31,3 +31,7 @@ alias caski='brew cask install'
 alias caskl='brew cask list'
 alias casks='brew cask search'
 alias caskx='brew cask uninstall'
+
+if (( $+commands[brew] )); then
+  fpath=(`brew --prefix`/share/zsh/site-functions $fpath)
+fi