diff --git a/openair2/RRC/NR/nr_rrc_config.c b/openair2/RRC/NR/nr_rrc_config.c
index b4cbe7b8bc23eb45d8f9ac772d6a332b2b3d1b06..6b7f9a21b93cfc13f1f95d8c07c070014928b524 100644
--- a/openair2/RRC/NR/nr_rrc_config.c
+++ b/openair2/RRC/NR/nr_rrc_config.c
@@ -61,13 +61,17 @@ void nr_rrc_config_dl_tda(NR_ServingCellConfigCommon_t *scc){
 void nr_rrc_config_ul_tda(NR_ServingCellConfigCommon_t *scc, int min_fb_delay){
 
   //TODO change to accomodate for SRS
+
+  int temp_min_delay = 6; // k2 = 2 or 3 won'r work as well as higher values
+  int k2 = (min_fb_delay<temp_min_delay)?temp_min_delay:min_fb_delay;
+
   uint8_t DELTA[4]= {2,3,4,6}; // Delta parameter for Msg3
   int mu = scc->uplinkConfigCommon->initialUplinkBWP->genericParameters.subcarrierSpacing;
   lte_frame_type_t frame_type = get_frame_type(*scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0], *scc->ssbSubcarrierSpacing);
 
   struct NR_PUSCH_TimeDomainResourceAllocation *pusch_timedomainresourceallocation = CALLOC(1,sizeof(struct NR_PUSCH_TimeDomainResourceAllocation));
   pusch_timedomainresourceallocation->k2  = CALLOC(1,sizeof(long));
-  *pusch_timedomainresourceallocation->k2 = min_fb_delay;
+  *pusch_timedomainresourceallocation->k2 = k2;
   pusch_timedomainresourceallocation->mappingType = NR_PUSCH_TimeDomainResourceAllocation__mappingType_typeB;
   pusch_timedomainresourceallocation->startSymbolAndLength = get_SLIV(0,13); // basic slot configuration starting in symbol 0 til the last but one symbol
   ASN_SEQUENCE_ADD(&scc->uplinkConfigCommon->initialUplinkBWP->pusch_ConfigCommon->choice.setup->pusch_TimeDomainAllocationList->list,pusch_timedomainresourceallocation); 
@@ -78,7 +82,7 @@ void nr_rrc_config_ul_tda(NR_ServingCellConfigCommon_t *scc, int min_fb_delay){
       int ul_symb = scc->tdd_UL_DL_ConfigurationCommon->pattern1.nrofUplinkSymbols;
       pusch_timedomainresourceallocation = CALLOC(1,sizeof(struct NR_PUSCH_TimeDomainResourceAllocation));
       pusch_timedomainresourceallocation->k2  = CALLOC(1,sizeof(long));
-      *pusch_timedomainresourceallocation->k2 = min_fb_delay;
+      *pusch_timedomainresourceallocation->k2 = k2;
       pusch_timedomainresourceallocation->mappingType = NR_PUSCH_TimeDomainResourceAllocation__mappingType_typeB;
       pusch_timedomainresourceallocation->startSymbolAndLength = get_SLIV(14-ul_symb,ul_symb-1); // starting in fist ul symbol til the last but one
       ASN_SEQUENCE_ADD(&scc->uplinkConfigCommon->initialUplinkBWP->pusch_ConfigCommon->choice.setup->pusch_TimeDomainAllocationList->list,pusch_timedomainresourceallocation);