fix compilation

diff --git a/source/distributed/fully_distributed_tria_util.cc b/source/distributed/fully_distributed_tria_util.cc
index 03ec3a0889d1a8e0edd711e17715b609f79a531a..8671453c29ff52d01e5f0281fa6587149bf0f418 100644 (file)
--- a/source/distributed/fully_distributed_tria_util.cc
+++ b/source/distributed/fully_distributed_tria_util.cc
@@ -578,7 +578,7 @@ namespace parallel
         const unsigned int group_root = (my_rank / group_size) * group_size;
 
         const int mpi_tag =
-          Utilities::MPI::internal::Tags::fully_distributed_create;
+          dealii::Utilities::MPI::internal::Tags::fully_distributed_create;
 
         // check if process is root of the group
         if (my_rank == group_root)