diff --git a/openair1/PHY/defs.h b/openair1/PHY/defs.h
index 3532fa3c6f..40444d284f 100755
--- a/openair1/PHY/defs.h
+++ b/openair1/PHY/defs.h
@@ -410,6 +410,8 @@ typedef struct PHY_VARS_eNB_s {
   int                  single_thread_flag;
   openair0_rf_map      rf_map;
   int                  abstraction_flag;
+  int                  iframe_offset;
+  int                  isubframe_offset;
   void                 (*do_prach)(struct PHY_VARS_eNB_s *eNB);
   void                 (*fep)(struct PHY_VARS_eNB_s *eNB);
   int                  (*td)(struct PHY_VARS_eNB_s *eNB,int UE_id,int harq_pid,int llr8_flag);