diff --git a/preprocessor b/preprocessor
index a2c96a9d7..97e9609c2 160000
--- a/preprocessor
+++ b/preprocessor
@@ -1 +1 @@
-Subproject commit a2c96a9d7927a47ad6017c64df55f32595ccb1e5
+Subproject commit 97e9609c28fb4bda15b699da033f02fe02ca6a0e