diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index b8f9382a8b7dd72daf02b37804b912999dc500a1..1f09e11fa694d03ae35205ad9280020d621ff2fe 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -1009,7 +1009,7 @@ int mlx5_ib_update_xlt(struct mlx5_ib_mr *mr, u64 idx, int npages,
 	}
 
 	if (!xlt) {
-		uctx = to_mucontext(mr->ibmr.uobject->context);
+		uctx = to_mucontext(mr->ibmr.pd->uobject->context);
 		mlx5_ib_warn(dev, "Using XLT emergency buffer\n");
 		size = PAGE_SIZE;
 		xlt = (void *)uctx->upd_xlt_page;