diff --git a/drivers/gpu/drm/nouveau/nouveau_ttm.c b/drivers/gpu/drm/nouveau/nouveau_ttm.c
index 495288182c2d..b81ae90b8449 100644
--- a/drivers/gpu/drm/nouveau/nouveau_ttm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_ttm.c
@@ -154,7 +154,7 @@ error_unlock:
 	return ret;
 }
 
-static struct vm_operations_struct nouveau_ttm_vm_ops = {
+static const struct vm_operations_struct nouveau_ttm_vm_ops = {
 	.fault = nouveau_ttm_fault,
 	.open = ttm_bo_vm_open,
 	.close = ttm_bo_vm_close,