diff --git a/fs/pnode.h b/fs/pnode.h
index 020e1bb..d45bd8e 100644
--- a/fs/pnode.h
+++ b/fs/pnode.h
@@ -13,7 +13,7 @@
 
 #define IS_MNT_SHARED(mnt) (mnt->mnt_flags & MNT_SHARED)
 #define IS_MNT_SLAVE(mnt) (mnt->mnt_master)
-#define IS_MNT_NEW(mnt)  (!mnt->mnt_namespace)
+#define IS_MNT_NEW(mnt)  (!mnt->mnt_ns)
 #define CLEAR_MNT_SHARED(mnt) (mnt->mnt_flags &= ~MNT_SHARED)
 #define IS_MNT_UNBINDABLE(mnt) (mnt->mnt_flags & MNT_UNBINDABLE)