diff --git a/continuousintegration/orchestration/tests/nightly1.sh b/continuousintegration/orchestration/tests/nightly1.sh
index 9b394a5df551a635ef665d9ba0ad9a712239bd2a..c37d0fb38f964b12f8a76d70a4ea9ee4eda9019b 100644
--- a/continuousintegration/orchestration/tests/nightly1.sh
+++ b/continuousintegration/orchestration/tests/nightly1.sh
@@ -12,8 +12,8 @@ for DRIVE in $(admin_cta dr ls | grep Down | sed -e 's/ \+/ /g' | cut -d\  -f2);
 done
 
 for ((i=0;i<4;i++)); do
-  echo "Launching bash ./client_ar.sh -n 5000 -s 10 -p 6 -v"
-  bash ./client_ar.sh -n 5000 -s 10 -p 6 -v &
+  echo "Launching bash ./client_ar.sh -n 1000 -s 10 -p 4 -v"
+  bash ./client_ar.sh -n 1000 -s 10 -p 4 -v &
 done
 
 for job in `jobs -p`