diff --git a/m4/nc b/m4/nc
index a3e0bef7..c028034a 160000
--- a/m4/nc
+++ b/m4/nc
@@ -1 +1 @@
-Subproject commit a3e0bef7f1e93c5a9b835a0439c00a9164de47fc
+Subproject commit c028034a395077d08d5458ae605a05a26bf4fcf5