diff --git a/tests/realtikvtest/testkit.go b/tests/realtikvtest/testkit.go
index b3ae5f3c6a2ac..8193ae53c19ec 100644
--- a/tests/realtikvtest/testkit.go
+++ b/tests/realtikvtest/testkit.go
@@ -51,6 +51,7 @@ func RunTestMain(m *testing.M) {
 	config.UpdateGlobal(func(conf *config.Config) {
 		conf.TiKVClient.AsyncCommit.SafeWindow = 0
 		conf.TiKVClient.AsyncCommit.AllowedClockDrift = 0
+		conf.Store = "tikv"
 	})
 	tikv.EnableFailpoints()
 	opts := []goleak.Option{