diff --git a/preprocessor b/preprocessor
index f8b2de715..520876560 160000
--- a/preprocessor
+++ b/preprocessor
@@ -1 +1 @@
-Subproject commit f8b2de715c57d3d66fff38b41fa3b4351c015c11
+Subproject commit 520876560d5bb4c886a11de681557dd05cbc200e