diff --git a/Library/Contributions/brew_bash_completion.sh b/Library/Contributions/brew_bash_completion.sh
index 98c140d23a..7dcf7bb5c5 100644
--- a/Library/Contributions/brew_bash_completion.sh
+++ b/Library/Contributions/brew_bash_completion.sh
@@ -439,7 +439,7 @@ _brew ()
     missing)                    __brew_complete_formulae ;;
     options)                    _brew_options ;;
     outdated)                   _brew_outdated ;;
-    pin)                        _brew_complete_formulae ;;
+    pin)                        __brew_complete_formulae ;;
     search|-S)                  _brew_search ;;
     tap)                        __brew_complete_taps ;;
     uninstall|remove|rm)        _brew_uninstall ;;