1 files changed, 4 insertions, 3 deletions
diff --git a/Source/Utils/MPIInitHelpers.cpp b/Source/Utils/MPIInitHelpers.cpp
index 47411375a..9d205eb5f 100644
--- a/Source/Utils/MPIInitHelpers.cpp
+++ b/Source/Utils/MPIInitHelpers.cpp
@@ -41,12 +41,13 @@ namespace utils
     std::pair< int, int >
     warpx_mpi_init (int argc, char* argv[])
     {
-        int thread_required = warpx_mpi_thread_required();
-        int thread_provided = -1;
+        const int thread_required = warpx_mpi_thread_required();
 #ifdef AMREX_USE_MPI
+        int thread_provided = -1;
         MPI_Init_thread(&argc, &argv, thread_required, &thread_provided);
 #else
         amrex::ignore_unused(argc, argv);
+        const int thread_provided = -1;
 #endif
         return std::make_pair(thread_required, thread_provided);
     }
@@ -64,7 +65,7 @@ namespace utils
     warpx_check_mpi_thread_level ()
     {
 #ifdef AMREX_USE_MPI
-        int thread_required = warpx_mpi_thread_required();
+        const int thread_required = warpx_mpi_thread_required();
         int thread_provided = -1;
         MPI_Query_thread(&thread_provided);
         auto mtn = amrex::ParallelDescriptor::mpi_level_to_string;