diff --git a/targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb-du.sa.band78.106prb.rfsim.pci1.conf b/targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb-du.sa.band78.106prb.rfsim.pci1.conf
index ff1de3cc21..c7d8cb3269 100644
--- a/targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb-du.sa.band78.106prb.rfsim.pci1.conf
+++ b/targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb-du.sa.band78.106prb.rfsim.pci1.conf
@@ -113,7 +113,7 @@ gNBs =
         hoppingId                                                  = 40;
         p0_nominal                                                 = -90;
 
-      ssb_PositionsInBurst_Bitmap                                  = 3;
+      ssb_PositionsInBurst_Bitmap                                  = 2;
 
 # ssb_periodicityServingCell
 # 0 = ms5, 1=ms10, 2=ms20, 3=ms40, 4=ms80, 5=ms160, 6=spare2, 7=spare1