diff --git a/DATA/production/workflow-multiplicities.sh b/DATA/production/workflow-multiplicities.sh
index 024f75dae..ffc36e467 100644
--- a/DATA/production/workflow-multiplicities.sh
+++ b/DATA/production/workflow-multiplicities.sh
@@ -13,8 +13,13 @@ SOURCE_GUARD_MULTIPLICITIES=1
 
 : ${SVERTEX_THREADS:=2}
 
+if [[ $SYNCMODE == 1 ]]; then
 : ${ITSTRK_THREADS:=1}
 : ${ITSTPC_THREADS:=1}
+else
+: ${ITSTRK_THREADS:=2}
+: ${ITSTPC_THREADS:=2}
+fi
 
 : ${TPCTIMESERIES_THREADS:=1}