1 files changed, 2 insertions, 2 deletions
diff --git a/source/blender/modifiers/intern/MOD_screw.c b/source/blender/modifiers/intern/MOD_screw.c
index 0819b314e32..f24f6951690 100644
--- a/source/blender/modifiers/intern/MOD_screw.c
+++ b/source/blender/modifiers/intern/MOD_screw.c
@@ -1135,12 +1135,12 @@ static Mesh *modifyMesh(ModifierData *md, const ModifierEvalContext *ctx, Mesh *
                                          ob_axis != NULL ? mtx_tx[3] : NULL,
                                          ltmd->merge_dist);
     if (result != result_prev) {
-      result->runtime.cd_dirty_vert |= CD_MASK_NORMAL;
+      BKE_mesh_normals_tag_dirty(result);
     }
   }
 
   if ((ltmd->flag & MOD_SCREW_NORMAL_CALC) == 0) {
-    result->runtime.cd_dirty_vert |= CD_MASK_NORMAL;
+    BKE_mesh_normals_tag_dirty(result);
   }
 
   return result;