diff --git a/sys/compat/linuxkpi/common/include/linux/kernel.h b/sys/compat/linuxkpi/common/include/linux/kernel.h
index 50533308757e..491199e0f48f 100644
--- a/sys/compat/linuxkpi/common/include/linux/kernel.h
+++ b/sys/compat/linuxkpi/common/include/linux/kernel.h
@@ -86,6 +86,7 @@
 #define	S64_C(x) x ## LL
 #define	U64_C(x) x ## ULL
 
+#define	BUILD_BUG()			CTASSERT(0)
 #define	BUILD_BUG_ON(x)			CTASSERT(!(x))
 #define	BUILD_BUG_ON_MSG(x, msg)	BUILD_BUG_ON(x)
 #define	BUILD_BUG_ON_NOT_POWER_OF_2(x)	BUILD_BUG_ON(!powerof2(x))