diff --git a/nulllib b/nulllib
index 18046a9..8a1d772 160000
--- a/nulllib
+++ b/nulllib
@@ -1 +1 @@
-Subproject commit 18046a9fccbdeab85ee6c22354c2669cfcc6780d
+Subproject commit 8a1d772bb48d6c2b0fdecea59ae102615b489992