diff --git a/m4/nc b/m4/nc
index 597459d7..e1ca92aa 160000
--- a/m4/nc
+++ b/m4/nc
@@ -1 +1 @@
-Subproject commit 597459d7e6dd9d8994740a863231eac49cc9bd56
+Subproject commit e1ca92aa7777a1d87b151bd391b5bbe50fcc81a0