diff --git a/statement.go b/statement.go
index 8f4762e7..ebd6e234 100644
--- a/statement.go
+++ b/statement.go
@@ -90,6 +90,8 @@ func (stmt Statement) QuoteTo(writer clause.Writer, field interface{}) {
 		if v.Name == clause.PrimaryKey {
 			if stmt.Schema != nil && stmt.Schema.PrioritizedPrimaryField != nil {
 				stmt.DB.Dialector.QuoteTo(writer, stmt.Schema.PrioritizedPrimaryField.DBName)
+			} else if len(stmt.Schema.DBNames) > 0 {
+				stmt.DB.Dialector.QuoteTo(writer, stmt.Schema.DBNames[0])
 			}
 		} else if v.Raw {
 			writer.WriteString(v.Name)