diff --git a/thunk_test.go b/thunk_test.go
index 0ead31d..4320a25 100644
--- a/thunk_test.go
+++ b/thunk_test.go
@@ -32,7 +32,7 @@ func TestMemoizedFib(t *testing.T) {
 		return result
 	}
 
-	t.Log(Fib(40))
+	t.Log(fib(40))
 }
 
 func TestThunkFib(t *testing.T) {