diff --git a/Formula/gobject-introspection.rb b/Formula/gobject-introspection.rb
index b84656329a..9b4b2a549b 100644
--- a/Formula/gobject-introspection.rb
+++ b/Formula/gobject-introspection.rb
@@ -22,9 +22,10 @@ class GobjectIntrospection < Formula
   depends_on 'cairo' => :build if build.with? 'tests'
 
   # Allow tests to execute on OS X (.so => .dylib)
-  def patches
-    "https://gist.github.com/krrk/6958869/raw/de8d83009d58eefa680a590f5839e61a6e76ff76/gobject-introspection-tests.patch"
-  end if build.with? 'tests'
+  patch do
+    url "https://gist.github.com/krrk/6958869/raw/de8d83009d58eefa680a590f5839e61a6e76ff76/gobject-introspection-tests.patch"
+    sha1 "1f57849db76cd2ca26ddb35dc36c373606414dfc"
+  end if build.with? "tests"
 
   def install
     ENV['GI_SCANNER_DISABLE_CACHE'] = 'true'