diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index 9f05c57..1cfbe0a 100644
--- a/tools/perf/util/stat.h
+++ b/tools/perf/util/stat.h
@@ -30,6 +30,7 @@
 	AGGR_GLOBAL,
 	AGGR_SOCKET,
 	AGGR_CORE,
+	AGGR_THREAD,
 };
 
 struct perf_counts_values {