diff --git a/server/schedule/checker/rule_checker.go b/server/schedule/checker/rule_checker.go
index d8590fb1b2b..f7caff72760 100644
--- a/server/schedule/checker/rule_checker.go
+++ b/server/schedule/checker/rule_checker.go
@@ -182,6 +182,10 @@ func (c *RuleChecker) fixBetterLocation(region *core.RegionInfo, fit *placement.
 	}
 	oldPeer := region.GetStorePeer(oldPeerStore.GetID())
 	newPeerStore := SelectStoreToReplacePeerByRule("rule-checker", c.cluster, region, fit, rf, oldPeer)
+	if newPeerStore == nil {
+		log.Debug("no replacement store", zap.Uint64("region-id", region.GetID()))
+		return nil, nil
+	}
 	stores = getRuleFitStores(c.cluster, removePeerFromRuleFit(rf, oldPeer))
 	oldScore := core.DistinctScore(rf.Rule.LocationLabels, stores, oldPeerStore)
 	newScore := core.DistinctScore(rf.Rule.LocationLabels, stores, newPeerStore)
diff --git a/server/schedule/checker/rule_checker_test.go b/server/schedule/checker/rule_checker_test.go
index 48c1fc243b7..d463dc88ce7 100644
--- a/server/schedule/checker/rule_checker_test.go
+++ b/server/schedule/checker/rule_checker_test.go
@@ -15,6 +15,7 @@ package checker
 
 import (
 	"encoding/hex"
+
 	. "github.com/pingcap/check"
 	"github.com/pingcap/kvproto/pkg/metapb"
 	"github.com/pingcap/kvproto/pkg/pdpb"
@@ -179,3 +180,21 @@ func (s *testRuleCheckerSuite) TestBetterReplacement(c *C) {
 	op = s.rc.Check(s.cluster.GetRegion(1))
 	c.Assert(op, IsNil)
 }
+
+func (s *testRuleCheckerSuite) TestNoBetterReplacement(c *C) {
+	s.cluster.AddLabelsStore(1, 1, map[string]string{"host": "host1"})
+	s.cluster.AddLabelsStore(2, 1, map[string]string{"host": "host1"})
+	s.cluster.AddLabelsStore(3, 1, map[string]string{"host": "host2"})
+	s.cluster.AddLeaderRegionWithRange(1, "", "", 1, 2, 3)
+	s.ruleManager.SetRule(&placement.Rule{
+		GroupID:        "pd",
+		ID:             "test",
+		Index:          100,
+		Override:       true,
+		Role:           placement.Voter,
+		Count:          3,
+		LocationLabels: []string{"host"},
+	})
+	op := s.rc.Check(s.cluster.GetRegion(1))
+	c.Assert(op, IsNil)
+}