diff --git a/wrap/io_trimesh/export_obj.h b/wrap/io_trimesh/export_obj.h
index cb878a24..6e00ca5f 100644
--- a/wrap/io_trimesh/export_obj.h
+++ b/wrap/io_trimesh/export_obj.h
@@ -129,8 +129,8 @@ public:
     int current = 0;
     int totalPrimitives = m.vn+m.fn;
 
-    typename SaveMeshType::template PerMeshAttributeHandle<std::vector<Material>> materialsHandle =
-            vcg::tri::Allocator<SaveMeshType>::template FindPerMeshAttribute<std::vector<Material>>(m, "materials");
+    typename SaveMeshType::template PerMeshAttributeHandle<std::vector<Material> > materialsHandle =
+            vcg::tri::Allocator<SaveMeshType>::template FindPerMeshAttribute<std::vector<Material> >(m, "materials");
 
     std::string fn(filename);
     int LastSlash=fn.size()-1;
diff --git a/wrap/io_trimesh/import_obj.h b/wrap/io_trimesh/import_obj.h
index 8f374dda..7b6a3bde 100644
--- a/wrap/io_trimesh/import_obj.h
+++ b/wrap/io_trimesh/import_obj.h
@@ -256,8 +256,8 @@ namespace vcg {
                         return E_CANTOPEN;
                     }
 
-                    typename OpenMeshType::template PerMeshAttributeHandle<std::vector<Material>> materialsHandle =
-                            vcg::tri::Allocator<OpenMeshType>:: template GetPerMeshAttribute<std::vector<Material>>(m, std::string("materials"));
+                    typename OpenMeshType::template PerMeshAttributeHandle<std::vector<Material> > materialsHandle =
+                            vcg::tri::Allocator<OpenMeshType>:: template GetPerMeshAttribute<std::vector<Material> >(m, std::string("materials"));
                     typename OpenMeshType::template PerFaceAttributeHandle<int> mIndHandle =
                             vcg::tri::Allocator<OpenMeshType>:: template GetPerFaceAttribute<int>(m, std::string("mInd"));
                     std::vector<Material>&	materials = materialsHandle();  // materials vector