diff --git a/src/model.rs b/src/model.rs
index a50db23..37474c2 100755
--- a/src/model.rs
+++ b/src/model.rs
@@ -753,8 +753,7 @@ impl MDL {
                             let old_vertex =
                                 vertices[indices[shape_value.base_indices_index as usize] as usize];
                             let new_vertex = vertices[(shape_value.replacing_vertex_index
-                                as usize)
-                                .saturating_sub(model.meshes[j as usize].start_index as usize)];
+                                as usize)];
                             let vertex = &mut morphed_vertices
                                 [indices[shape_value.base_indices_index as usize] as usize];