diff --git a/prodtests/full-system-test/dpl-workflow.sh b/prodtests/full-system-test/dpl-workflow.sh
index 0f5083dbcdebb..f9b0c7accbff9 100755
--- a/prodtests/full-system-test/dpl-workflow.sh
+++ b/prodtests/full-system-test/dpl-workflow.sh
@@ -259,7 +259,8 @@ if [[ $GPUTYPE == "HIP" ]]; then
     TIMESLICEOFFSET=$(($GPU_FIRST_ID + ($NUMAGPUIDS != 0 ? ($NGPUS * $NUMAID) : 0)))
     GPU_CONFIG+=" --environment \"ROCR_VISIBLE_DEVICES={timeslice${TIMESLICEOFFSET}}\""
   fi
-  [[ "${EPN_NODE_MI100:-}" != "1" ]] && export HSA_NO_SCRATCH_RECLAIM=1
+  [[ ${EPN_NODE_MI100:-} != "1" ]] && export HSA_NO_SCRATCH_RECLAIM=1
+  [[ $EPNSYNCMODE == 1 && ${EPN_NODE_MI100:-} == "1" ]] && GPU_CONFIG_KEY+="GPU_proc.serializeGPU=3;"
   #export HSA_TOOLS_LIB=/opt/rocm/lib/librocm-debug-agent.so.2
 else
   GPU_CONFIG_KEY+="GPU_proc.deviceNum=-2;"