diff --git a/openair2/F1AP/f1ap_cu_ue_context_management.c b/openair2/F1AP/f1ap_cu_ue_context_management.c
index 3bb0517282..edc5a2c0a9 100644
--- a/openair2/F1AP/f1ap_cu_ue_context_management.c
+++ b/openair2/F1AP/f1ap_cu_ue_context_management.c
@@ -1184,6 +1184,7 @@ int CU_send_UE_CONTEXT_MODIFICATION_REQUEST(instance_t instance) {
 
   //   /* - sCell_ID */
      F1AP_NRCGI_t nRCGI;
+     memset(&nRCGI, 0, sizeof(F1AP_NRCGI_t));
      MCC_MNC_TO_PLMNID(mcc, mnc, mnc_digit_length,
                                         &nRCGI.pLMN_Identity);
      NR_CELL_ID_TO_BIT_STRING(123456, &nRCGI.nRCellIdentity);
@@ -1223,6 +1224,7 @@ int CU_send_UE_CONTEXT_MODIFICATION_REQUEST(instance_t instance) {
 
      /* - sCell_ID */
      F1AP_NRCGI_t nRCGI;
+     memset(&nRCGI, 0, sizeof(F1AP_NRCGI_t));
      MCC_MNC_TO_PLMNID(mcc, mnc, mnc_digit_length,
                                         &nRCGI.pLMN_Identity);
      NR_CELL_ID_TO_BIT_STRING(123456, &nRCGI.nRCellIdentity);