diff --git a/ci-scripts/conf_files/gNB_SA_DU.conf b/ci-scripts/conf_files/gNB_SA_DU.conf
index e8c7d0ae3f..d4f7851104 100644
--- a/ci-scripts/conf_files/gNB_SA_DU.conf
+++ b/ci-scripts/conf_files/gNB_SA_DU.conf
@@ -41,6 +41,7 @@ gNBs =
     ssb_SubcarrierOffset                                      = 0;
     pdsch_AntennaPorts                                        = 1;
     pusch_AntennaPorts                                        = 1;
+    sib1_tda                                                  = 1;
 
     pdcch_ConfigSIB1 = (
       {