diff --git a/run.sh b/run.sh
index 458233b87d21fd410b604caeb8f77a24274e815e..c9a5aaaf117ac4f81c99baafe5fd1fbf4a95286e 100755
--- a/run.sh
+++ b/run.sh
@@ -70,7 +70,7 @@ else
 
  source $HOME/openfpm_vars_$branch
 
- mpirun --oversubscribe -np $nproc ./build/src/pdata
+ mpirun --oversubscribe --mca btl self,sm -np $nproc ./build/src/pdata
  if [ $? -ne 0 ]; then
    curl -X POST --data "payload={\"icon_emoji\": \":jenkins:\", \"username\": \"jenkins\"  , \"attachments\":[{ \"title\":\"Error:\", \"color\": \"#FF0000\", \"text\":\"$hostname failed to complete the openfpm_pdata test \" }] }" https://hooks.slack.com/services/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
    exit 1 ;