1 files changed, 1 insertions, 1 deletions

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 75183a4518e6..c27e31f289e6 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -197,7 +197,7 @@ static int process_read_event(event_t *event, struct sample_data *sample __used,
                                            event->read.value);
         }
 
-        dump_printf(": %d %d %s %Lu\n", event->read.pid, event->read.tid,
+        dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid,
                     attr ? __event_name(attr->type, attr->config) : "FAIL",
                     event->read.value);