diff --git a/sql/core/src/main/scala/org/apache/spark/sql/jdbc/AggregatedDialect.scala b/sql/core/src/main/scala/org/apache/spark/sql/jdbc/AggregatedDialect.scala
index 467d8d62d1b7f..75c137b38dfe4 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/jdbc/AggregatedDialect.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/jdbc/AggregatedDialect.scala
@@ -41,4 +41,8 @@ private class AggregatedDialect(dialects: List[JdbcDialect]) extends JdbcDialect
   override def getJDBCType(dt: DataType): Option[JdbcType] = {
     dialects.flatMap(_.getJDBCType(dt)).headOption
   }
+
+  override def quoteIdentifier(colName: String): String = {
+    dialects.head.quoteIdentifier(colName)
+  }
 }