diff --git a/ci-scripts/conf_files/gnb.sa.band254.u0.25prb.rfsim.ntn.conf b/ci-scripts/conf_files/gnb.sa.band254.u0.25prb.rfsim.ntn.conf
index 1d0bba606d..002d790e61 100644
--- a/ci-scripts/conf_files/gnb.sa.band254.u0.25prb.rfsim.ntn.conf
+++ b/ci-scripts/conf_files/gnb.sa.band254.u0.25prb.rfsim.ntn.conf
@@ -19,6 +19,8 @@ gNBs =
     sib1_tda                                                  = 5;
     min_rxtxtime                                              = 6;
     disable_harq                                              = 1;
+    cu_sibs = [2];
+    du_sibs = [19];
 
     servingCellConfigCommon = (
     {
diff --git a/targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band254.ntn.mu1.24prb.rfsim.conf b/targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band254.ntn.mu1.24prb.rfsim.conf
index 67be3dbb44..df06f0483b 100644
--- a/targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band254.ntn.mu1.24prb.rfsim.conf
+++ b/targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band254.ntn.mu1.24prb.rfsim.conf
@@ -19,6 +19,8 @@ gNBs =
     sib1_tda                                                  = 5;
     min_rxtxtime                                              = 6;
     disable_harq                                              = 1;
+    cu_sibs = [2];
+    du_sibs = [19];
 
     servingCellConfigCommon = (
     {
diff --git a/targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band255.ntn.mu0.25prb.rfsim.conf b/targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band255.ntn.mu0.25prb.rfsim.conf
index 5a14f4fae6..34c31460ee 100644
--- a/targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band255.ntn.mu0.25prb.rfsim.conf
+++ b/targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band255.ntn.mu0.25prb.rfsim.conf
@@ -19,6 +19,8 @@ gNBs =
     sib1_tda                                                  = 5;
     min_rxtxtime                                              = 6;
     disable_harq                                              = 1;
+    cu_sibs = [2];
+    du_sibs = [19];
 
     servingCellConfigCommon = (
     {
diff --git a/targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band256.ntn.mu0.25prb.rfsim.conf b/targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band256.ntn.mu0.25prb.rfsim.conf
index c4213eb0d3..7b87bb3e98 100644
--- a/targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band256.ntn.mu0.25prb.rfsim.conf
+++ b/targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band256.ntn.mu0.25prb.rfsim.conf
@@ -19,6 +19,8 @@ gNBs =
     sib1_tda                                                  = 5;
     min_rxtxtime                                              = 6;
     disable_harq                                              = 1;
+    cu_sibs = [2];
+    du_sibs = [19];
 
     servingCellConfigCommon = (
     {