diff --git a/usr.bin/xinstall/xinstall.c b/usr.bin/xinstall/xinstall.c
--- a/usr.bin/xinstall/xinstall.c
+++ b/usr.bin/xinstall/xinstall.c
@@ -81,7 +81,7 @@
  * non-FreeBSD system. Linux does not have the st_flags and st_birthtime
  * members in struct stat so we need to omit support for changing those fields.
  */
-#ifdef UF_SETTABLE
+#ifndef __linux__
 #define HAVE_STRUCT_STAT_ST_FLAGS 1
 #else
 #define HAVE_STRUCT_STAT_ST_FLAGS 0