diff --git a/src/ZSOLVER/tensorproductmultigrid_Source/communication.f90 b/src/ZSOLVER/tensorproductmultigrid_Source/communication.f90
index 8ee4340ab5fe1cef85b95c8adcde7faabcb07b49..f69262deff758a763c32b3ddf4c5265e4bc413e8 100644
--- a/src/ZSOLVER/tensorproductmultigrid_Source/communication.f90
+++ b/src/ZSOLVER/tensorproductmultigrid_Source/communication.f90
@@ -269,7 +269,7 @@ contains
                          dim_horiz,             & ! horizontal dimension
                          (/2**pproc,2**pproc/), & ! extent in each horizontal direction
                          (/.false.,.false./),   & ! periodic?
-                         .true.,                & ! reorder?
+                         .false.,               & ! reorder?
                          MPI_COMM_HORIZ,        & ! Name of new communicator
                          ierr)
    ! calculate and display rank and corrdinates in cartesian grid