diff --git a/sys/security/mac/mac_framework.h b/sys/security/mac/mac_framework.h
--- a/sys/security/mac/mac_framework.h
+++ b/sys/security/mac/mac_framework.h
@@ -488,7 +488,7 @@
 
 void	mac_thread_userret(struct thread *td);
 
-#if defined(MAC) && defined(DEBUG_VFS_LOCKS)
+#if defined(MAC) && defined(INVARIANTS)
 void	mac_vnode_assert_locked(struct vnode *vp, const char *func);
 #else
 #define mac_vnode_assert_locked(vp, func) do { } while (0)
diff --git a/sys/security/mac/mac_vfs.c b/sys/security/mac/mac_vfs.c
--- a/sys/security/mac/mac_vfs.c
+++ b/sys/security/mac/mac_vfs.c
@@ -1078,7 +1078,7 @@
 	return (0);
 }
 
-#ifdef DEBUG_VFS_LOCKS
+#ifdef INVARIANTS
 void
 mac_vnode_assert_locked(struct vnode *vp, const char *func)
 {