diff --git a/pkg/util/xorm/dialect_spanner.go b/pkg/util/xorm/dialect_spanner.go
index 0f18fb2e6f7..87c00a3447e 100644
--- a/pkg/util/xorm/dialect_spanner.go
+++ b/pkg/util/xorm/dialect_spanner.go
@@ -383,7 +383,7 @@ func (s *spanner) CreateSequenceGenerator(db *sql.DB) (SequenceGenerator, error)
 		return nil, err
 	}
 
-	if connectorConfig.Params["inMemSequenceGenerator"] == "true" {
+	if connectorConfig.Params[strings.ToLower("inMemSequenceGenerator")] == "true" {
 		// Switch to using in-memory sequence number generator.
 		// Using database-based sequence generator doesn't work with emulator, as emulator
 		// only supports single transaction. If there is already another transaction started