From 271dce46f6b63cda8adaeacf3dc5b762d397c578 Mon Sep 17 00:00:00 2001
From: Martin Kronbichler <kronbichler@lnm.mw.tum.de>
Date: Wed, 12 Feb 2020 11:13:58 +0100
Subject: [PATCH] Avoid calling into MPI functions with MinMaxAvg in serial

---
 source/base/mpi.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/source/base/mpi.cc b/source/base/mpi.cc
index c7c46c4021..52a214484c 100644
--- a/source/base/mpi.cc
+++ b/source/base/mpi.cc
@@ -570,6 +570,7 @@ namespace Utilities
               result[i].min_index = 0;
               result[i].max_index = 0;
             }
+          return;
         }
 
       AssertDimension(Utilities::MPI::min(my_values.size(), mpi_communicator),
-- 
2.39.5