diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/types/LongType.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/types/LongType.scala
index 0997028fc105..967fb98f73c8 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/types/LongType.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/types/LongType.scala
@@ -43,7 +43,7 @@ class LongType private() extends IntegralType {
    */
   override def defaultSize: Int = 8
 
-  override def simpleString: String = "bigint"
+  override def simpleString: String = "long"
 
   private[spark] override def asNullable: LongType = this
 }