diff --git a/sh.h b/sh.h
index bfb58d0..023da8d 100644
--- a/sh.h
+++ b/sh.h
@@ -8,7 +8,7 @@
 /*	$OpenBSD: c_test.h,v 1.4 2004/12/20 11:34:26 otto Exp $	*/
 /*	$OpenBSD: tty.h,v 1.5 2004/12/20 11:34:26 otto Exp $	*/
 
-#define	MKSH_SH_H_ID	"$MirOS: src/bin/mksh/sh.h,v 1.26 2006/05/10 18:54:12 tg Exp $"
+#define	MKSH_SH_H_ID	"$MirOS: src/bin/mksh/sh.h,v 1.27 2006/06/21 19:35:38 tg Exp $"
 
 #include <sys/param.h>
 
@@ -1285,3 +1285,11 @@ extern void	tty_close(void);
 #define	HAVE_ARC4RANDOM	1
 #endif
 #endif
+
+#ifndef HAVE_ARC4RANDOM_PUSH
+#if defined(__MirBSD__) && (MirBSD >= 0x07AD)
+#define HAVE_ARC4RANDOM_PUSH 1
+#else
+#define HAVE_ARC4RANDOM_PUSH 0
+#endif
+#endif
diff --git a/var.c b/var.c
index 2ae8675..62e60df 100644
--- a/var.c
+++ b/var.c
@@ -2,7 +2,7 @@
 
 #include "sh.h"
 
-__RCSID("$MirOS: src/bin/mksh/var.c,v 1.18 2006/05/26 22:17:21 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/var.c,v 1.19 2006/06/21 19:35:38 tg Exp $");
 
 /*
  * Variables
@@ -997,7 +997,7 @@ setspec(struct tbl *vp)
 		srand((unsigned int)intval(vp));
 #if HAVE_ARC4RANDOM
 		use_rand = 1;
-#if defined(__MirBSD__) && (MirBSD >= 0x07AD)
+#if HAVE_ARC4RANDOM_PUSH
 		arc4random_push((unsigned)vp ^ (unsigned)rand());
 #endif
 #endif