diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 02f6421..4e0f5c2 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -884,6 +884,7 @@
 	if (!ret) {
 		int entries = data.idx - evlist->nr_entries;
 		perf_evlist__splice_list_tail(evlist, &data.list, entries);
+		evlist->nr_groups += data.nr_groups;
 		return 0;
 	}