diff --git a/usr.sbin/makefs/makefs.c b/usr.sbin/makefs/makefs.c
--- a/usr.sbin/makefs/makefs.c
+++ b/usr.sbin/makefs/makefs.c
@@ -470,7 +470,7 @@
 	}
 
 	st->st_ino = 1;
-#ifdef HAVE_STRUCT_STAT_BIRTHTIME
+#if HAVE_STRUCT_STAT_BIRTHTIME
 	st->st_birthtime =
 #endif
 	st->st_mtime = st->st_ctime = st->st_atime = when;
diff --git a/usr.sbin/makefs/msdos/msdosfs_vnops.c b/usr.sbin/makefs/msdos/msdosfs_vnops.c
--- a/usr.sbin/makefs/msdos/msdosfs_vnops.c
+++ b/usr.sbin/makefs/msdos/msdosfs_vnops.c
@@ -97,7 +97,7 @@
 	if (stampst.st_ino)
 		st = &stampst;
 
-#ifdef HAVE_STRUCT_STAT_BIRTHTIME
+#if HAVE_STRUCT_STAT_BIRTHTIME
 	unix2fattime(&st->st_birthtim, &dep->de_CDate, &dep->de_CTime);
 #else
 	unix2fattime(&st->st_ctim, &dep->de_CDate, &dep->de_CTime);