diff --git a/sql/core/src/main/scala/org/apache/spark/sql/functions.scala b/sql/core/src/main/scala/org/apache/spark/sql/functions.scala
index 8551058ec58ce..841e0a901fbc7 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/functions.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/functions.scala
@@ -3424,7 +3424,7 @@ object functions {
    * @group collection_funcs
    * @since 1.5.0
    */
-  def size(e: Column): Column = withExpr { Size(e.expr) }
+  def size(e: Column): Column = withExpr { new Size(e.expr) }
 
   /**
    * Sorts the input array for the given column in ascending order,