diff --git a/lib/rbx_loader/src/union.rs b/lib/rbx_loader/src/union.rs
index 059f4501..c6c75c31 100644
--- a/lib/rbx_loader/src/union.rs
+++ b/lib/rbx_loader/src/union.rs
@@ -1,4 +1,5 @@
-use rbx_mesh::mesh_data::NormalId2 as MeshDataNormalId2;
+use rbx_mesh::mesh_data::{NormalId2 as MeshDataNormalId2,VertexId as MeshDataVertexId};
+use rbx_mesh::physics_data::VertexId as PhysicsDataVertexId;
 use strafesnet_common::model::{self,IndexedVertex,PolygonGroup,PolygonGroupId,PolygonList,RenderConfigId};
 use strafesnet_common::integer::vec3;
 
@@ -79,11 +80,11 @@ pub fn convert(
 			rbx_mesh::mesh_data::MeshData::CSGMDL(rbx_mesh::mesh_data::CSGMDL::CSGMDL2(mesh_data2))=>mesh_data2.mesh,
 			rbx_mesh::mesh_data::MeshData::CSGMDL(rbx_mesh::mesh_data::CSGMDL::CSGMDL4(mesh_data4))=>mesh_data4.mesh,
 		};
-		for [vertex_id0,vertex_id1,vertex_id2] in graphics_mesh.faces{
+		for [MeshDataVertexId(vertex_id0),MeshDataVertexId(vertex_id1),MeshDataVertexId(vertex_id2)] in graphics_mesh.faces{
 			let face=[
-				graphics_mesh.vertices.get(vertex_id0.0 as usize).ok_or(Error::MissingVertexId(vertex_id0.0))?,
-				graphics_mesh.vertices.get(vertex_id1.0 as usize).ok_or(Error::MissingVertexId(vertex_id1.0))?,
-				graphics_mesh.vertices.get(vertex_id2.0 as usize).ok_or(Error::MissingVertexId(vertex_id2.0))?,
+				graphics_mesh.vertices.get(vertex_id0 as usize).ok_or(Error::MissingVertexId(vertex_id0))?,
+				graphics_mesh.vertices.get(vertex_id1 as usize).ok_or(Error::MissingVertexId(vertex_id1))?,
+				graphics_mesh.vertices.get(vertex_id2 as usize).ok_or(Error::MissingVertexId(vertex_id2))?,
 			];
 			let mut normal_agreement_checker=MeshDataNormalChecker::new();
 			let face=face.into_iter().map(|vertex|{
@@ -151,11 +152,11 @@ pub fn convert(
 		let color=mb.acquire_color_id(glam::Vec4::ONE);
 		let tex=mb.acquire_tex_id(glam::Vec2::ZERO);
 		// physics polygon groups (to do physics)
-		Ok(PolygonGroup::PolygonList(PolygonList::new(mesh.faces.into_iter().map(|[vertex_id0,vertex_id1,vertex_id2]|{
+		Ok(PolygonGroup::PolygonList(PolygonList::new(mesh.faces.into_iter().map(|[PhysicsDataVertexId(vertex_id0),PhysicsDataVertexId(vertex_id1),PhysicsDataVertexId(vertex_id2)]|{
 			let face=[
-				mesh.vertices.get(vertex_id0.0 as usize).ok_or(Error::MissingVertexId(vertex_id0.0))?,
-				mesh.vertices.get(vertex_id1.0 as usize).ok_or(Error::MissingVertexId(vertex_id1.0))?,
-				mesh.vertices.get(vertex_id2.0 as usize).ok_or(Error::MissingVertexId(vertex_id2.0))?,
+				mesh.vertices.get(vertex_id0 as usize).ok_or(Error::MissingVertexId(vertex_id0))?,
+				mesh.vertices.get(vertex_id1 as usize).ok_or(Error::MissingVertexId(vertex_id1))?,
+				mesh.vertices.get(vertex_id2 as usize).ok_or(Error::MissingVertexId(vertex_id2))?,
 			].map(|v|glam::Vec3::from_slice(v)/size);
 			let vertex_norm=(face[1]-face[0])
 			          .cross(face[2]-face[0]);