diff --git a/continuousintegration/docker/ctafrontend/cc7/opt/run/bin/init.sh b/continuousintegration/docker/ctafrontend/cc7/opt/run/bin/init.sh
index 35c5e98f7177950f4d0e3ad430d59e6c97c3d0c6..123badc211bf4785bbec7c58fe9590d745ed2816 100755
--- a/continuousintegration/docker/ctafrontend/cc7/opt/run/bin/init.sh
+++ b/continuousintegration/docker/ctafrontend/cc7/opt/run/bin/init.sh
@@ -34,7 +34,7 @@ if [ "$KEEP_OBJECTSTORE" == "0" ]; then
   else
     if [[ $(rados -p $OBJECTSTOREPOOL --id $OBJECTSTOREID --namespace $OBJECTSTORENAMESPACE ls | wc -l) -gt 0 ]]; then
       echo "Rados objectstore ${OBJECTSTOREURL} is not empty: deleting content"
-      rados -p $OBJECTSTOREPOOL --id $OBJECTSTOREID --namespace $OBJECTSTORENAMESPACE ls | xargs -itoto -P 100 rados -p $OBJECTSTOREPOOL --id $OBJECTSTOREID --namespace $OBJECTSTORENAMESPACE rm toto
+      rados -p $OBJECTSTOREPOOL --id $OBJECTSTOREID --namespace $OBJECTSTORENAMESPACE ls | xargs -itoto -L 100 -P 100 rados -p $OBJECTSTOREPOOL --id $OBJECTSTOREID --namespace $OBJECTSTORENAMESPACE rm toto
     fi
     cta-objectstore-initialize $OBJECTSTOREURL
     echo "Rados objectstore ${OBJECTSTOREURL} content:"