diff --git a/server/storage/mvcc/hash.go b/server/storage/mvcc/hash.go
index 1adc7a719..db7140edd 100644
--- a/server/storage/mvcc/hash.go
+++ b/server/storage/mvcc/hash.go
@@ -42,8 +42,8 @@ func newKVHasher(lower, upper int64, keep map[revision]struct{}) kvHasher {
 	h.Write(schema.Key.Name())
 	return kvHasher{
 		hash:  h,
-		lower: revision{main: lower},
-		upper: revision{main: upper},
+		lower: revision{main: lower + 1},
+		upper: revision{main: upper + 1},
 		keep:  keep,
 	}
 }
diff --git a/server/storage/mvcc/kvstore.go b/server/storage/mvcc/kvstore.go
index 93d69a26b..c001b1845 100644
--- a/server/storage/mvcc/kvstore.go
+++ b/server/storage/mvcc/kvstore.go
@@ -191,7 +191,7 @@ func (s *store) HashByRev(rev int64) (hash uint32, currentRev int64, compactRev
 	tx.RLock()
 	defer tx.RUnlock()
 	s.mu.RUnlock()
-	hash, err = unsafeHashByRev(tx, compactRev+1, rev+1, keep)
+	hash, err = unsafeHashByRev(tx, compactRev, rev, keep)
 	hashRevSec.Observe(time.Since(start).Seconds())
 	return hash, currentRev, compactRev, err
 }
diff --git a/server/storage/mvcc/kvstore_compaction.go b/server/storage/mvcc/kvstore_compaction.go
index 0cfe6fe25..5f93e258e 100644
--- a/server/storage/mvcc/kvstore_compaction.go
+++ b/server/storage/mvcc/kvstore_compaction.go
@@ -39,7 +39,7 @@ func (s *store) scheduleCompaction(compactMainRev, prevCompactRev int64) (uint32
 
 	batchNum := s.cfg.CompactionBatchLimit
 	batchInterval := s.cfg.CompactionSleepInterval
-	h := newKVHasher(prevCompactRev+1, compactMainRev+1, keep)
+	h := newKVHasher(prevCompactRev, compactMainRev, keep)
 	last := make([]byte, 8+1+8)
 	for {
 		var rev revision