diff --git a/srsenb/hdr/stack/mac/nr/mac_nr.h b/srsenb/hdr/stack/mac/nr/mac_nr.h
index a9cbeb0c5..8f66cbcbf 100644
--- a/srsenb/hdr/stack/mac/nr/mac_nr.h
+++ b/srsenb/hdr/stack/mac/nr/mac_nr.h
@@ -57,8 +57,7 @@ public:
   int      remove_ue(uint16_t rnti) override;
 
   // MAC interface for RLC
-  // TODO:
-  int rlc_buffer_state(uint16_t rnti, uint32_t lc_id, uint32_t tx_queue, uint32_t retx_queue) override { return 0; }
+  int rlc_buffer_state(uint16_t rnti, uint32_t lcid, uint32_t tx_queue, uint32_t retx_queue) override;
 
   // Interface for PHY
   void process_pdus();
diff --git a/srsenb/src/stack/mac/nr/mac_nr.cc b/srsenb/src/stack/mac/nr/mac_nr.cc
index 14dd154c1..72b31b8f9 100644
--- a/srsenb/src/stack/mac/nr/mac_nr.cc
+++ b/srsenb/src/stack/mac/nr/mac_nr.cc
@@ -131,6 +131,12 @@ int mac_nr::ue_cfg(uint16_t rnti, const sched_nr_interface::ue_cfg_t& ue_cfg)
   return SRSRAN_SUCCESS;
 }
 
+int mac_nr::rlc_buffer_state(uint16_t rnti, uint32_t lcid, uint32_t tx_queue, uint32_t retx_queue)
+{
+  sched.dl_buffer_state(rnti, lcid, tx_queue, retx_queue);
+  return SRSRAN_SUCCESS;
+}
+
 uint16_t mac_nr::reserve_rnti(uint32_t enb_cc_idx)
 {
   uint16_t rnti = alloc_ue(enb_cc_idx);