diff --git a/preprocessor b/preprocessor
index 1874fa5cc..97af0ff71 160000
--- a/preprocessor
+++ b/preprocessor
@@ -1 +1 @@
-Subproject commit 1874fa5cce17a00462ec91de1824ac1904786baf
+Subproject commit 97af0ff7112d493184f727777ef7eeab18164c17