diff --git a/sys/compat/linuxkpi/common/include/linux/kernel.h b/sys/compat/linuxkpi/common/include/linux/kernel.h
index aba5896111f..852603f75f8 100644
--- a/sys/compat/linuxkpi/common/include/linux/kernel.h
+++ b/sys/compat/linuxkpi/common/include/linux/kernel.h
@@ -105,7 +105,7 @@
 }
 
 #define	BUILD_BUG()			do { CTASSERT(0); } while (0)
-#define	BUILD_BUG_ON(x)			_O_CTASSERT(!(x))
+#define	BUILD_BUG_ON(x)			do { _O_CTASSERT(!(x)) } while (0)
 #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))
 #define	BUILD_BUG_ON_INVALID(expr)	while (0) { (void)(expr); }