diff --git a/projects/roctracer/inc/ext/prof_protocol.h b/projects/roctracer/inc/ext/prof_protocol.h
index 5220e00114..e7f956a792 100644
--- a/projects/roctracer/inc/ext/prof_protocol.h
+++ b/projects/roctracer/inc/ext/prof_protocol.h
@@ -39,7 +39,7 @@ typedef void (*activity_rtapi_callback_t)(uint32_t domain, uint32_t cid, const v
 typedef enum {
   ACTIVITY_API_PHASE_ENTER = 0,
   ACTIVITY_API_PHASE_EXIT = 1
-};
+} activity_api_phase_t;
 
 // Trace record types
 // Correlation id
@@ -69,6 +69,7 @@ struct activity_record_t {
 // Activity sync calback type
 typedef activity_record_t* (*activity_sync_callback_t)(uint32_t cid, activity_record_t* record, const void* data, void* arg);
 // Activity async calback type
+typedef void (*activity_id_callback_t)(activity_correlation_id_t id);
 typedef void (*activity_async_callback_t)(uint32_t op, void* record, void* arg);
 
 #endif  // INC_EXT_PROF_PROTOCOL_H_