diff --git a/openair2/RRC/NR/rrc_gNB_reconfig.c b/openair2/RRC/NR/rrc_gNB_reconfig.c
index a7de5249f2..cc3688b424 100644
--- a/openair2/RRC/NR/rrc_gNB_reconfig.c
+++ b/openair2/RRC/NR/rrc_gNB_reconfig.c
@@ -632,7 +632,9 @@ void fill_default_secondaryCellGroup(NR_ServingCellConfigCommon_t *servingcellco
  }
  bwp->bwp_Dedicated->pdsch_Config->choice.setup->dataScramblingIdentityPDSCH = NULL;
 
- if (dl_antenna_ports > 1)// for MIMO, we use DMRS Config Type 2
+ if ((get_softmodem_params()->do_ra ||
+     get_softmodem_params()->phy_test) &&
+     dl_antenna_ports > 1) // for MIMO, we use DMRS Config Type 2 but only with OAI UE
    bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->dmrs_Type=calloc(1,sizeof(*bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->dmrs_Type));
  else
    bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->dmrs_Type=NULL;