diff --git a/src/bin/coreutils/lib/config.h b/src/bin/coreutils/lib/config.h
index c61c9d5045..4f9d97e371 100644
--- a/src/bin/coreutils/lib/config.h
+++ b/src/bin/coreutils/lib/config.h
@@ -1714,7 +1714,7 @@
 #define HAVE___FSETLOCKING 1
 
 /* Define HOST_NAME_MAX when <limits.h> does not define it. */
-#define HOST_NAME_MAX 256
+/* #undef HOST_NAME_MAX */
 
 /* The host operating system. */
 #define HOST_OPERATING_SYSTEM "Haiku"