diff --git a/sys/security/mac/mac_framework.h b/sys/security/mac/mac_framework.h
index fed574d36135..c9a0ae3ce1da 100644
--- a/sys/security/mac/mac_framework.h
+++ b/sys/security/mac/mac_framework.h
@@ -400,7 +400,7 @@ void	mac_sysvshm_init(struct shmid_kernel *);
 
 void	mac_thread_userret(struct thread *td);
 
-#ifdef DEBUG_VFS_LOCKS
+#if defined(MAC) && defined(DEBUG_VFS_LOCKS)
 void	mac_vnode_assert_locked(struct vnode *vp, const char *func);
 #else
 #define mac_vnode_assert_locked(vp, func) do { } while (0)