diff --git a/openair2/RRC/NR/MESSAGES/asn1_msg.c b/openair2/RRC/NR/MESSAGES/asn1_msg.c
index e36644afb0..3c9ea178fb 100755
--- a/openair2/RRC/NR/MESSAGES/asn1_msg.c
+++ b/openair2/RRC/NR/MESSAGES/asn1_msg.c
@@ -1036,7 +1036,7 @@ void fill_initial_SpCellConfig(rnti_t rnti,
   AssertFatal(scc->tdd_UL_DL_ConfigurationCommon->pattern1.dl_UL_TransmissionPeriodicity==NR_TDD_UL_DL_Pattern__dl_UL_TransmissionPeriodicity_ms5,
 	      "TDD period != 5ms : %ld\n",scc->tdd_UL_DL_ConfigurationCommon->pattern1.dl_UL_TransmissionPeriodicity);
   
-  schedulingRequestResourceConfig->periodicityAndOffset->choice.sl40 = 10*((rnti>>1)&3) + (rnti&2);
+  schedulingRequestResourceConfig->periodicityAndOffset->choice.sl40 = 8 + 10*((rnti>>1)&3) + (rnti&1);
   schedulingRequestResourceConfig->resource = calloc(1,sizeof(*schedulingRequestResourceConfig->resource));
   *schedulingRequestResourceConfig->resource = 0;
   ASN_SEQUENCE_ADD(&pucch_Config->schedulingRequestResourceToAddModList->list,schedulingRequestResourceConfig);