diff --git a/MC/run/ANCHOR/anchorMC.sh b/MC/run/ANCHOR/anchorMC.sh
index 3c7b52336..1bc96c8c0 100755
--- a/MC/run/ANCHOR/anchorMC.sh
+++ b/MC/run/ANCHOR/anchorMC.sh
@@ -216,6 +216,7 @@ baseargs="-tf ${NTIMEFRAMES} --split-id ${SPLITID} --prod-split ${PRODSPLIT} --c
 remainingargs="-seed ${SEED} -ns ${NSIGEVENTS} --include-local-qc --pregenCollContext"
 remainingargs="${remainingargs} -e ${ALIEN_JDL_SIMENGINE} -j ${NWORKERS}"
 remainingargs="${remainingargs} -productionTag ${ALIEN_JDL_LPMPRODUCTIONTAG:-alibi_anchorTest_tmp}"
+remainingargs="${remainingargs} -confKey \"GeometryManagerParam.useParallelWorld=${ENABLE_PARALLEL_WORLD};GeometryManagerParam.usePwGeoBVH=${ENABLE_PARALLEL_WORLD};GeometryManagerParam.usePwCaching=${ENABLE_PARALLEL_WORLD}\""
 # prepend(!) ALIEN_JDL_ANCHOR_SIM_OPTIONS
 # since the last passed argument wins, e.g. -productionTag cannot be overwritten by the user
 remainingargs="${ALIEN_JDL_ANCHOR_SIM_OPTIONS} ${remainingargs} --anchor-config config-json.json"
@@ -235,20 +236,28 @@ TIMESTAMP=`grep "Determined timestamp to be" timestampsampling_${ALIEN_JDL_LPMRU
 echo_info "TIMESTAMP IS ${TIMESTAMP}"
 
 # -- Create aligned geometry using ITS ideal alignment to avoid overlaps in geant
-CCDBOBJECTS_IDEAL_MC="ITS/Calib/Align"
-TIMESTAMP_IDEAL_MC=1
-${O2_ROOT}/bin/o2-ccdb-downloadccdbfile --host http://alice-ccdb.cern.ch/ -p ${CCDBOBJECTS_IDEAL_MC} -d ${ALICEO2_CCDB_LOCALCACHE} --timestamp ${TIMESTAMP_IDEAL_MC}
-CCDB_RC="${?}"
-if [ ! "${CCDB_RC}" == "0" ]; then
-  echo_error "Problem during CCDB prefetching of ${CCDBOBJECTS_IDEAL_MC}. Exiting."
-  exit ${CCDB_RC}
+if [ "${ENABLE_PARALLEL_WORLD}" == "0" ]; then
+  CCDBOBJECTS_IDEAL_MC="ITS/Calib/Align"
+  TIMESTAMP_IDEAL_MC=1
+  ${O2_ROOT}/bin/o2-ccdb-downloadccdbfile --host http://alice-ccdb.cern.ch/ -p ${CCDBOBJECTS_IDEAL_MC} -d ${ALICEO2_CCDB_LOCALCACHE} --timestamp ${TIMESTAMP_IDEAL_MC}
+  CCDB_RC="${?}"
+  if [ ! "${CCDB_RC}" == "0" ]; then
+    echo_error "Problem during CCDB prefetching of ${CCDBOBJECTS_IDEAL_MC}. Exiting."
+    exit ${CCDB_RC}
+  fi
 fi
 
 # TODO This can potentially be removed or if needed, should be taken over by o2dpg_sim_workflow_anchored.py and O2_dpg_workflow_runner.py
-echo "run with echo in pipe" | ${O2_ROOT}/bin/o2-create-aligned-geometry-workflow --configKeyValues "HBFUtils.startTime=${TIMESTAMP}" --condition-remap=file://${ALICEO2_CCDB_LOCALCACHE}=ITS/Calib/Align -b --run
+if [ "${ENABLE_PARALLEL_WORLD}" == "0" ]; then
+  echo "run with echo in pipe" | ${O2_ROOT}/bin/o2-create-aligned-geometry-workflow --configKeyValues "HBFUtils.startTime=${TIMESTAMP}" --condition-remap=file://${ALICEO2_CCDB_LOCALCACHE}=ITS/Calib/Align -b --run
+else
+  echo "run with echo in pipe" | ${O2_ROOT}/bin/o2-create-aligned-geometry-workflow --configKeyValues "HBFUtils.startTime=${TIMESTAMP}" -b --run
+fi
 mkdir -p $ALICEO2_CCDB_LOCALCACHE/GLO/Config/GeometryAligned
 ln -s -f $PWD/o2sim_geometry-aligned.root $ALICEO2_CCDB_LOCALCACHE/GLO/Config/GeometryAligned/snapshot.root
-[[ -f $PWD/its_GeometryTGeo.root ]] && mkdir -p $ALICEO2_CCDB_LOCALCACHE/ITS/Config/Geometry && ln -s -f $PWD/its_GeometryTGeo.root $ALICEO2_CCDB_LOCALCACHE/ITS/Config/Geometry/snapshot.root
+if [ "${ENABLE_PARALLEL_WORLD}" == "0" ]; then
+  [[ -f $PWD/its_GeometryTGeo.root ]] && mkdir -p $ALICEO2_CCDB_LOCALCACHE/ITS/Config/Geometry && ln -s -f $PWD/its_GeometryTGeo.root $ALICEO2_CCDB_LOCALCACHE/ITS/Config/Geometry/snapshot.root
+fi
 [[ -f $PWD/mft_GeometryTGeo.root ]] && mkdir -p $ALICEO2_CCDB_LOCALCACHE/MFT/Config/Geometry && ln -s -f $PWD/mft_GeometryTGeo.root $ALICEO2_CCDB_LOCALCACHE/MFT/Config/Geometry/snapshot.root
 
 # -- RUN THE MC WORKLOAD TO PRODUCE AOD --
diff --git a/MC/run/ANCHOR/tests/test_anchor_2023_apass2_pp.sh b/MC/run/ANCHOR/tests/test_anchor_2023_apass2_pp.sh
index 9d8378044..cc8343411 100755
--- a/MC/run/ANCHOR/tests/test_anchor_2023_apass2_pp.sh
+++ b/MC/run/ANCHOR/tests/test_anchor_2023_apass2_pp.sh
@@ -30,6 +30,8 @@ export SEED=5
 # for pp and 50 events per TF, we launch only 4 workers.
 export NWORKERS=2
 
+export ENABLE_PARALLEL_WORLD=1
+
 # run the central anchor steering script; this includes
 # * derive timestamp
 # * derive interaction rate