diff --git a/openair1/PHY/LTE_ESTIMATION/lte_adjust_sync.c b/openair1/PHY/LTE_ESTIMATION/lte_adjust_sync.c
index e268a5b061..746ef1354f 100644
--- a/openair1/PHY/LTE_ESTIMATION/lte_adjust_sync.c
+++ b/openair1/PHY/LTE_ESTIMATION/lte_adjust_sync.c
@@ -81,7 +81,7 @@ void lte_adjust_synch(LTE_DL_FRAME_PARMS *frame_parms,
   // do not filter to have proactive timing adjustment
   max_pos_fil = max_pos;
 
-  if(subframe == 6)
+  if(subframe == 5)
   {
       diff = max_pos_fil - (frame_parms->nb_prefix_samples>>3);
 
diff --git a/openair1/PHY/LTE_ESTIMATION/lte_adjust_sync_ue.c b/openair1/PHY/LTE_ESTIMATION/lte_adjust_sync_ue.c
index 732db1fa4e..19461d7cee 100644
--- a/openair1/PHY/LTE_ESTIMATION/lte_adjust_sync_ue.c
+++ b/openair1/PHY/LTE_ESTIMATION/lte_adjust_sync_ue.c
@@ -82,7 +82,7 @@ void lte_adjust_synch(LTE_DL_FRAME_PARMS *frame_parms,
   // do not filter to have proactive timing adjustment
   max_pos_fil = max_pos;
 
-  if(subframe == 6)
+  if(subframe == 5)
   {
       diff = max_pos_fil - (frame_parms->nb_prefix_samples>>3);