diff --git a/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c b/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c
index aba03f44cf..ad68b3b950 100644
--- a/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c
+++ b/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c
@@ -2880,7 +2880,7 @@ int16_t fill_dmrs_mask(NR_PDSCH_Config_t *pdsch_Config,int dmrs_TypeA_Position,i
       // Relative to start of slot
       ld += startSymbol;
       NR_DMRS_DownlinkConfig_t *dmrs_config = (NR_DMRS_DownlinkConfig_t *)pdsch_Config->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup;
-      AssertFatal(NrOfSymbols>1 && NrOfSymbols < 15,"Illegal NrOfSymbols %d\n",NrOfSymbols);
+      AssertFatal(ld>1 && ld < 15,"Illegal l_d %d\n",ld);
       int pos2=0;
       if (dmrs_config->maxLength == NULL) {
 	// this is Table 7.4.1.1.2-3: PDSCH DM-RS positions l for single-symbol DM-RS
@@ -2889,7 +2889,7 @@ int16_t fill_dmrs_mask(NR_PDSCH_Config_t *pdsch_Config,int dmrs_TypeA_Position,i
 	  return(1<<l0);
 	
 	
-	switch (NrOfSymbols) {
+	switch (ld) {
 	case 2 :
 	case 3 :
 	case 4 :
@@ -2930,10 +2930,10 @@ int16_t fill_dmrs_mask(NR_PDSCH_Config_t *pdsch_Config,int dmrs_TypeA_Position,i
       }
       else {
 	// Table 7.4.1.1.2-4: PDSCH DM-RS positions l for double-symbol DM-RS.
-	AssertFatal(NrOfSymbols>3,"Illegal NrOfSymbols %d for len2 DMRS\n",NrOfSymbols);
-	if (NrOfSymbols < 10) return(1<<l0);
-	if (NrOfSymbols < 13 && *dmrs_config->dmrs_AdditionalPosition==NR_DMRS_DownlinkConfig__dmrs_AdditionalPosition_pos0) return(1<<l0);
-	if (NrOfSymbols < 13 && *dmrs_config->dmrs_AdditionalPosition!=NR_DMRS_DownlinkConfig__dmrs_AdditionalPosition_pos0) return(1<<l0 | 1<<8);
+	AssertFatal(ld>3,"Illegal l_d %d for len2 DMRS\n",ld);
+	if (ld < 10) return(1<<l0);
+	if (ld < 13 && *dmrs_config->dmrs_AdditionalPosition==NR_DMRS_DownlinkConfig__dmrs_AdditionalPosition_pos0) return(1<<l0);
+	if (ld < 13 && *dmrs_config->dmrs_AdditionalPosition!=NR_DMRS_DownlinkConfig__dmrs_AdditionalPosition_pos0) return(1<<l0 | 1<<8);
 	if (*dmrs_config->dmrs_AdditionalPosition!=NR_DMRS_DownlinkConfig__dmrs_AdditionalPosition_pos0) return(1<<l0);
 	if (*dmrs_config->dmrs_AdditionalPosition!=NR_DMRS_DownlinkConfig__dmrs_AdditionalPosition_pos1) return(1<<l0 | 1<<10);
         if (*dmrs_config->dmrs_AdditionalPosition==NR_DMRS_DownlinkConfig__dmrs_AdditionalPosition_pos0) return(1<<l0);