diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/xml/StaxXmlGenerator.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/xml/StaxXmlGenerator.scala
index 87f0b50b9af2..514138ab7508 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/xml/StaxXmlGenerator.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/xml/StaxXmlGenerator.scala
@@ -169,8 +169,8 @@ class StaxXmlGenerator(
 
   def writeElement(dt: DataType, v: Any, options: XmlOptions): Unit = (dt, v) match {
     case (_, null) | (NullType, _) => gen.writeCharacters(options.nullValue)
-    case (StringType, v: UTF8String) => gen.writeCharacters(v.toString)
-    case (StringType, v: String) => gen.writeCharacters(v)
+    case (_: StringType, v: UTF8String) => gen.writeCharacters(v.toString)
+    case (_: StringType, v: String) => gen.writeCharacters(v)
     case (TimestampType, v: Timestamp) =>
       gen.writeCharacters(timestampFormatter.format(v.toInstant()))
     case (TimestampType, v: Long) =>
diff --git a/sql/core/src/test/scala/org/apache/spark/sql/CollationSQLExpressionsSuite.scala b/sql/core/src/test/scala/org/apache/spark/sql/CollationSQLExpressionsSuite.scala
index 0a7b513457a5..993e6cc35a79 100644
--- a/sql/core/src/test/scala/org/apache/spark/sql/CollationSQLExpressionsSuite.scala
+++ b/sql/core/src/test/scala/org/apache/spark/sql/CollationSQLExpressionsSuite.scala
@@ -1272,6 +1272,16 @@ class CollationSQLExpressionsSuite
            |    <A>true</A>
            |    <B>2.0</B>
            |</ROW>""".stripMargin),
+      StructsToXmlTestCase("named_struct('A', 'aa', 'B', 'bb')", "UTF8_LCASE",
+        s"""<ROW>
+           |    <A>aa</A>
+           |    <B>bb</B>
+           |</ROW>""".stripMargin),
+      StructsToXmlTestCase("named_struct('A', 'aa', 'B', 'bb')", "UTF8_BINARY",
+        s"""<ROW>
+           |    <A>aa</A>
+           |    <B>bb</B>
+           |</ROW>""".stripMargin),
       StructsToXmlTestCase("named_struct()", "UNICODE",
         "<ROW/>"),
       StructsToXmlTestCase("named_struct('time', to_timestamp('2015-08-26'))", "UNICODE_CI",