diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/subquery.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/subquery.scala
index 7ba39d84bb65f..b3c9a19a68714 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/subquery.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/subquery.scala
@@ -589,7 +589,7 @@ object RewriteCorrelatedScalarSubquery extends Rule[LogicalPlan] {
           }
         }
     }
-    (newChild, AttributeMap(subqueryAttrMapping))
+    (newChild, AttributeMap(subqueryAttrMapping.toSeq))
   }
 
   private def updateAttrs[E <: Expression](