diff --git a/preprocessor b/preprocessor
index fc9cc2dc5..571b5d081 160000
--- a/preprocessor
+++ b/preprocessor
@@ -1 +1 @@
-Subproject commit fc9cc2dc503e2c8b0921b320e041b0d5f49057ab
+Subproject commit 571b5d081657271b7f5e02f93778bddf9020787b