1 files changed, 1 insertions, 1 deletions

diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index 27018531404b..3a0a89e41523 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -1033,7 +1033,7 @@ static void process_samples(void)
         }
 }
 
-static int sample_type_check(u64 type)
+static int sample_type_check(u64 type, struct perf_session *session __used)
 {
         sample_type = type;