diff --git a/Library/Homebrew/cmd/pull.rb b/Library/Homebrew/cmd/pull.rb
index eb9c64f87b..9647ad195b 100644
--- a/Library/Homebrew/cmd/pull.rb
+++ b/Library/Homebrew/cmd/pull.rb
@@ -94,6 +94,7 @@ module Homebrew
       changed_formulae = []
 
       if tap_dir
+        safe_system "brew", "tap", "--repair"
         formula_dir = %w[Formula HomebrewFormula].find { |d| tap_dir.join(d).directory? } || ""
       else
         formula_dir = "Library/Formula"