diff --git a/o/OpenMPI/OpenMPI-1.10.7-PGI-18.5-GCC-6.3.0-2.27.eb b/o/OpenMPI/OpenMPI-1.10.7-PGI-18.5-GCC-6.3.0-2.27.eb
index 7b9bbedf..ee9867a9 100644
--- a/o/OpenMPI/OpenMPI-1.10.7-PGI-18.5-GCC-6.3.0-2.27.eb
+++ b/o/OpenMPI/OpenMPI-1.10.7-PGI-18.5-GCC-6.3.0-2.27.eb
@@ -24,7 +24,7 @@ configopts += '--with-tm=/opt/pbs/default '  # Enable PBS
 configopts += '--with-cxxrtlib="-lgcc_s -lstdc++"' # for vt-mpi-unify
 
 # for PBS Pro 13
-preconfigopts = 'export LIBS="-ldl" && '
+preconfigopts = 'export LIBS="-ldl" && export CXX="$CXX -noswitcherror" && '
 
 # needed for --with-verbs
 osdependencies = [('libibverbs-dev', 'libibverbs-devel')]