diff --git a/srsue/src/stack/mac_nr/ul_harq_nr.cc b/srsue/src/stack/mac_nr/ul_harq_nr.cc
index a27eb5f5d..fd39f7718 100644
--- a/srsue/src/stack/mac_nr/ul_harq_nr.cc
+++ b/srsue/src/stack/mac_nr/ul_harq_nr.cc
@@ -206,7 +206,7 @@ void ul_harq_entity_nr::ul_harq_process_nr::new_grant_ul(const mac_interface_phy
     // retransmission
     if (harq_buffer == nullptr) {
       // ignore the UL grant
-      logger.info("UL %d:  HARQ buffer empty. Ignoring grant.");
+      logger.info("UL %d:  HARQ buffer empty. Ignoring grant.", pid);
       return;
     }