diff --git a/modules/mesh_data_resource/editor/mdi_gizmo.cpp b/modules/mesh_data_resource/editor/mdi_gizmo.cpp
index d66e6d72c..381171690 100644
--- a/modules/mesh_data_resource/editor/mdi_gizmo.cpp
+++ b/modules/mesh_data_resource/editor/mdi_gizmo.cpp
@@ -1218,7 +1218,7 @@ void MDIGizmo::extrude() {
 
 			// set back
 			for (int ic = 0; ic < found_verts.size(); ++ic) {
-				new_verts[found_verts[ic]] = vavg;
+				new_verts.set(found_verts[ic], vavg);
 			}
 		}
 
diff --git a/modules/mesh_data_resource/editor/utilities/mdr_ed_mesh_utils.cpp b/modules/mesh_data_resource/editor/utilities/mdr_ed_mesh_utils.cpp
index 210a19b72..1ad124d4c 100644
--- a/modules/mesh_data_resource/editor/utilities/mdr_ed_mesh_utils.cpp
+++ b/modules/mesh_data_resource/editor/utilities/mdr_ed_mesh_utils.cpp
@@ -1088,23 +1088,23 @@ Array MDREDMeshUtils::generate_normals_arrs(Array arrays) {
 
 		if (nc[i0] == 0) {
 			nc.set(i0, 1);
-			normals[i0] = n;
+			normals.set(i0, n);
 		} else {
-			normals[i0] = normals[i0].linear_interpolate(n, 0.5).normalized();
+			normals.set(i0, normals[i0].linear_interpolate(n, 0.5).normalized());
 		}
 
 		if (nc[i1] == 0) {
 			nc.set(i1, 1);
-			normals[i1] = n;
+			normals.set(i1, n);
 		} else {
-			normals[i1] = normals[i1].linear_interpolate(n, 0.5).normalized();
+			normals.set(i1, normals[i1].linear_interpolate(n, 0.5).normalized());
 		}
 
 		if (nc[i2] == 0) {
 			nc.set(i2, 1);
-			normals[i2] = n;
+			normals.set(i2, n);
 		} else {
-			normals[i2] = normals[i2].linear_interpolate(n, 0.5).normalized();
+			normals.set(i2, normals[i2].linear_interpolate(n, 0.5).normalized());
 		}
 	}
 
@@ -1157,23 +1157,23 @@ void MDREDMeshUtils::generate_normals_mdr(Ref<MeshDataResource> mdr) {
 
 		if (nc[i0] == 0) {
 			nc.set(i0, 1);
-			normals[i0] = n;
+			normals.set(i0, n);
 		} else {
-			normals[i0] = normals[i0].linear_interpolate(n, 0.5).normalized();
+			normals.set(i0, normals[i0].linear_interpolate(n, 0.5).normalized());
 		}
 
 		if (nc[i1] == 0) {
 			nc.set(i1, 1);
-			normals[i1] = n;
+			normals.set(i1, n);
 		} else {
-			normals[i1] = normals[i1].linear_interpolate(n, 0.5).normalized();
+			normals.set(i1, normals[i1].linear_interpolate(n, 0.5).normalized());
 		}
 
 		if (nc[i2] == 0) {
 			nc.set(i2, 1);
-			normals[i2] = n;
+			normals.set(i2, n);
 		} else {
-			normals[i2] = normals[i2].linear_interpolate(n, 0.5).normalized();
+			normals.set(i2, normals[i2].linear_interpolate(n, 0.5).normalized());
 		}
 	}
 
@@ -1873,14 +1873,14 @@ void MDREDMeshUtils::apply_seam_old(Ref<MeshDataResource> mdr) {
 				indices.push_back(new_vert_size);
 				indices.push_back(new_vert_size + 1);
 				indices.push_back(i2);
-			} else if ( edge_int_tri_index == 1) {
+			} else if (edge_int_tri_index == 1) {
 				duplicate_verts_indices.push_back(i1);
 				duplicate_verts_indices.push_back(i2);
 
 				indices.push_back(i0);
 				indices.push_back(new_vert_size);
 				indices.push_back(new_vert_size + 1);
-			} else if ( edge_int_tri_index == 2) {
+			} else if (edge_int_tri_index == 2) {
 				duplicate_verts_indices.push_back(i0);
 				duplicate_verts_indices.push_back(i2);
 
@@ -1948,7 +1948,6 @@ Array MDREDMeshUtils::seam_apply_duplicate_vertices(Array arrays, const PoolIntA
 		weights = arrays[ArrayMesh::ARRAY_WEIGHTS];
 	}
 
-
 	PoolIntArray::Read dvir = duplicate_verts_indices.read();
 	for (int i = 0; i < duplicate_verts_indices.size(); ++i) {
 		int index = dvir[i];