diff --git a/sql/core/src/main/scala/org/apache/spark/sql/execution/Exchange.scala b/sql/core/src/main/scala/org/apache/spark/sql/execution/Exchange.scala
index c89b2a068351b..dc7e3a5c41070 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/execution/Exchange.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/execution/Exchange.scala
@@ -182,12 +182,12 @@ private[sql] case class AddExchange(sqlContext: SQLContext) extends Rule[SparkPl
           case (UnspecifiedDistribution, child) => child
           case (dist, _) => sys.error(s"Don't know how to ensure $dist")
         }
-        val reorderedChildren = operator.requiredInPartitionOrdering.zip(repartitionedChildren).map {
-          case (Nil, child) =>
-            child
-          case (ordering, child) =>
-            addSortIfNecessary(ordering, child)
-        }
+        val reorderedChildren =
+          operator.requiredInPartitionOrdering.zip(repartitionedChildren).map {
+            case (Nil, child) => child
+            case (ordering, child) =>
+              addSortIfNecessary(ordering, child)
+          }
         operator.withNewChildren(reorderedChildren)
       }
   }
diff --git a/sql/hive/compatibility/src/test/scala/org/apache/spark/sql/hive/execution/SortMergeCompatibilitySuite.scala b/sql/hive/compatibility/src/test/scala/org/apache/spark/sql/hive/execution/SortMergeCompatibilitySuite.scala
index 3e08a0ce8c003..bf01fdf1b92e5 100644
--- a/sql/hive/compatibility/src/test/scala/org/apache/spark/sql/hive/execution/SortMergeCompatibilitySuite.scala
+++ b/sql/hive/compatibility/src/test/scala/org/apache/spark/sql/hive/execution/SortMergeCompatibilitySuite.scala
@@ -142,4 +142,4 @@ class SortMergeCompatibilitySuite extends HiveCompatibilitySuite {
     "join_reorder4",
     "join_star"
   )
-}
\ No newline at end of file
+}