diff --git a/headers/posix/sys/un.h b/headers/posix/sys/un.h
index f0572396dc..55fcf7b2df 100644
--- a/headers/posix/sys/un.h
+++ b/headers/posix/sys/un.h
@@ -12,7 +12,7 @@
 struct sockaddr_un {
 	uint8_t		sun_len;	
 	uint8_t		sun_family;
-	char		sun_path[128];
+	char		sun_path[126];
 };
 
 #endif	/* _SYS_UN_H */