1 files changed, 1 insertions, 1 deletions

diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index 5052caa91caa..d53e706a6f17 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -2405,7 +2405,7 @@ static int timehist_sched_change_event(struct perf_tool *tool,
         if (ptime->start && ptime->start > t)
                 goto out;
 
-        if (ptime->start > tprev)
+        if (tprev && ptime->start > tprev)
                 tprev = ptime->start;
 
         /*