diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index 4f48bc11a29cb040fa4dc95c3d7de97117573eef..ff2c41ea94c8caa194221493a4ab6fe224fa5431 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -2507,6 +2507,8 @@ int intel_pt_process_auxtrace_info(union perf_event *event,
 	}
 
 	pt->timeless_decoding = intel_pt_timeless_decoding(pt);
+	if (pt->timeless_decoding && !pt->tc.time_mult)
+		pt->tc.time_mult = 1;
 	pt->have_tsc = intel_pt_have_tsc(pt);
 	pt->sampling_mode = false;
 	pt->est_tsc = !pt->timeless_decoding;