diff --git a/libsrc/meshing/parallelmesh.cpp b/libsrc/meshing/parallelmesh.cpp
index 9fad0603..a1c9065b 100644
--- a/libsrc/meshing/parallelmesh.cpp
+++ b/libsrc/meshing/parallelmesh.cpp
@@ -1220,8 +1220,7 @@ namespace netgen
     recvrequests[0] = comm.IBcast (nnames);
     MyMPI_WaitAll (recvrequests);
     */
-    NgMPI_Requests requ;
-    requ += comm.IBcast (nnames);
+    comm.IBcast (nnames).Wait();
     
     // cout << "nnames = " << FlatArray(nnames) << endl;
     materials.SetSize(nnames[0]);
@@ -1236,7 +1235,7 @@ namespace netgen
     recvrequests[0] = comm.IBcast (name_sizes);
     MyMPI_WaitAll (recvrequests);
     */
-    requ += comm.IBcast (name_sizes);
+    comm.IBcast (name_sizes).Wait();
     
     int tot_size = 0;
     for (int k = 0; k < tot_nn; k++) tot_size += name_sizes[k];
@@ -1246,8 +1245,7 @@ namespace netgen
     Array<char> compiled_names(tot_size);
     // recvrequests[0] = comm.IBcast (compiled_names);
     // MyMPI_WaitAll (recvrequests);
-    requ += comm.IBcast (compiled_names); 
-    requ.WaitAll();
+    comm.IBcast (compiled_names).Wait();
     
     tot_nn = tot_size = 0;
     auto write_names = [&] (auto & array) {