diff --git a/sys/compat/linux/linux_mib.h b/sys/compat/linux/linux_mib.h
--- a/sys/compat/linux/linux_mib.h
+++ b/sys/compat/linux/linux_mib.h
@@ -46,8 +46,8 @@
 
 int	linux_kernver(struct thread *td);
 
-#define	LINUX_KVERSION		3
-#define	LINUX_KPATCHLEVEL	17
+#define	LINUX_KVERSION		4
+#define	LINUX_KPATCHLEVEL	4
 #define	LINUX_KSUBLEVEL		0
 
 #define	LINUX_KERNVER(a,b,c)	(((a) << 16) + ((b) << 8) + (c))