diff --git a/Library/Contributions/brew_bash_completion.sh b/Library/Contributions/brew_bash_completion.sh
index 52b7f6fba9..331eeffa38 100644
--- a/Library/Contributions/brew_bash_completion.sh
+++ b/Library/Contributions/brew_bash_completion.sh
@@ -57,6 +57,8 @@ _brew_to_completion()
     # Commands that take an outdated brew
     upgrade)
         COMPREPLY=( $(compgen -W "$(brew outdated --quiet)" -- ${cur}) )
+        return
+        ;;
     esac
 }