diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
index b41b449..b9c6e54 100644
--- a/tools/perf/builtin-lock.c
+++ b/tools/perf/builtin-lock.c
@@ -858,7 +858,7 @@
 
 static int read_events(void)
 {
-	session = perf_session__new(input_name, O_RDONLY, 0, false);
+	session = perf_session__new(input_name, O_RDONLY, 0, false, &eops);
 	if (!session)
 		die("Initializing perf session failed\n");