diff --git a/ext/c4core b/ext/c4core
index f6acc1d3..1f2c1a87 160000
--- a/ext/c4core
+++ b/ext/c4core
@@ -1 +1 @@
-Subproject commit f6acc1d3eb5b61b4cfe75ec67c5a7a2beee59e8a
+Subproject commit 1f2c1a87ba28344909ff4249d461d190c2dd5de1