diff --git a/src/osd/PG.cc b/src/osd/PG.cc
index ee092b61d25..03dc1c3152d 100644
--- a/src/osd/PG.cc
+++ b/src/osd/PG.cc
@@ -5211,6 +5211,11 @@ void PG::start_peering_interval(
       dirty_info = true;
       dirty_big_info = true;
       info.history.same_interval_since = osdmap->get_epoch();
+      if (info.pgid.pgid.is_split(lastmap->get_pg_num(info.pgid.pgid.pool()),
+				  osdmap->get_pg_num(info.pgid.pgid.pool()),
+				  nullptr)) {
+	info.history.last_epoch_split = osdmap->get_epoch();
+      }
     }
   }