diff --git a/preprocessor b/preprocessor
index 64ebb3629..5a9d1c4d8 160000
--- a/preprocessor
+++ b/preprocessor
@@ -1 +1 @@
-Subproject commit 64ebb3629080fa7f8542f6805478911d1fae15f2
+Subproject commit 5a9d1c4d87a242bba15c1786d558ef008c53ac05