diff --git a/kratos/mpi/utilities/gather_modelpart_utility.cpp b/kratos/mpi/utilities/gather_modelpart_utility.cpp
index 623ba37835f6..1e24f55da3c5 100644
--- a/kratos/mpi/utilities/gather_modelpart_utility.cpp
+++ b/kratos/mpi/utilities/gather_modelpart_utility.cpp
@@ -330,7 +330,7 @@ void GatherModelPartUtility::GatherEntityFromOtherPartitions(
     // Allocating the temporary entities to bring container
     ContainerType entities_to_bring;
     std::size_t counter = 0;
-    for (auto& r_bring : rEntitiesToBring) {
+    for (const auto& r_bring : rEntitiesToBring) {
         counter += r_bring.second.size();
     }
     entities_to_bring.reserve(counter);