diff --git a/p/PGI/PGI-19.10-GCC-8.3.0-2.32.eb b/p/PGI/PGI-19.10-GCC-8.3.0-2.32.eb
index 9a117c78..20ffd512 100644
--- a/p/PGI/PGI-19.10-GCC-8.3.0-2.32.eb
+++ b/p/PGI/PGI-19.10-GCC-8.3.0-2.32.eb
@@ -32,8 +32,8 @@ modextrapaths = {
     'CPATH': 'linux86-64-llvm/2019/mpi/openmpi-3.1.3/include',
     'MANPATH': 'linux86-64-llvm/2019/mpi/openmpi-3.1.3/share/man',
     'PKG_CONFIG_PATH': 'linux86-64-llvm/2019/mpi/openmpi-3.1.3/lib/pkgconfig',
-    'OMPI_MCA_btl_openib_if_include': 'mlx5_0',       # BARBORA
-    'OMPI_MCA_btl_tcp_if_include': '10.33.4.0/24',    # BARBORA
+    'OMPI_MCA_btl_openib_if_include': 'mlx4_0',       # BARBORA mlx5_0
+#    'OMPI_MCA_btl_tcp_if_include': '10.33.4.0/24',    # BARBORA
     'OMPI_MCA_orte_base_help_aggregate': '0',
 }