diff --git a/sys/fs/devfs/devfs_vfsops.c b/sys/fs/devfs/devfs_vfsops.c
index 131fd47a0e0..29566078b4d 100644
--- a/sys/fs/devfs/devfs_vfsops.c
+++ b/sys/fs/devfs/devfs_vfsops.c
@@ -68,7 +68,7 @@ devfs_mount(mp, path, data, ndp, p)
 	struct proc *p;
 {
 	int error;
-	u_int size;
+	size_t size;
 	struct devfs_mount *fmp;
 	struct vnode *rvp;