diff --git a/spec/factory_girl/proxy/create_spec.rb b/spec/factory_girl/proxy/create_spec.rb
index a263f01c9..75fa2625d 100644
--- a/spec/factory_girl/proxy/create_spec.rb
+++ b/spec/factory_girl/proxy/create_spec.rb
@@ -18,7 +18,7 @@
 
   it "runs a custom create block" do
     block_run = false
-    block = lambda { block_run = true }
+    block = lambda {|instance| block_run = true }
     subject.result(block)
     instance.should have_received(:save!).never
     block_run.should be_true