diff --git a/Library/Homebrew/formula.rb b/Library/Homebrew/formula.rb
index 2b7c2ced24..94cc964a91 100644
--- a/Library/Homebrew/formula.rb
+++ b/Library/Homebrew/formula.rb
@@ -589,7 +589,7 @@ class Formula
     active_spec.add_legacy_patches(patches)
     return if patchlist.empty?
 
-    active_spec.patches.grep(DATAPatch).each { |p| p.path = path }
+    active_spec.patches.grep(DATAPatch) { |p| p.path = path }
 
     active_spec.patches.select(&:external?).each do |patch|
       patch.verify_download_integrity(patch.fetch)