diff --git a/lib/communicator/Communicator_mpi.cc b/lib/communicator/Communicator_mpi.cc
index f1dad1e9..5a2dc4d0 100644
--- a/lib/communicator/Communicator_mpi.cc
+++ b/lib/communicator/Communicator_mpi.cc
@@ -53,9 +53,10 @@ void CartesianCommunicator::Init(int *argc, char ***argv) {
   ShmInitGeneric();
 }
 
-CartesianCommunicator::~CartesianCommunicator(){
-   if (communicator && !MPI::Is_finalized())
-       MPI_Comm_free(&communicator);
+CartesianCommunicator::~CartesianCommunicator()
+{
+  if (communicator && !MPI::Is_finalized())
+    MPI_Comm_free(&communicator);
 }
 
 void CartesianCommunicator::GlobalSum(uint32_t &u){
diff --git a/lib/communicator/Communicator_mpit.cc b/lib/communicator/Communicator_mpit.cc
index 2d257a44..15ee13fd 100644
--- a/lib/communicator/Communicator_mpit.cc
+++ b/lib/communicator/Communicator_mpit.cc
@@ -53,9 +53,10 @@ void CartesianCommunicator::Init(int *argc, char ***argv) {
   ShmInitGeneric();
 }
 
-CartesianCommunicator::~CartesianCommunicator(){
-   if (communicator && !MPI::Is_finalized())
-       MPI_Comm_free(&communicator);
+CartesianCommunicator::~CartesianCommunicator()
+{
+  if (communicator && !MPI::Is_finalized())
+    MPI_Comm_free(&communicator);
 }