diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/objects/objects.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/objects/objects.scala
index 0ec3b5012996e..f89ace7746b89 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/objects/objects.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/objects/objects.scala
@@ -490,7 +490,7 @@ case class NewInstance(
       // that might be defined on the companion object.
       case 0 => s"$className$$.MODULE$$.apply($argString)"
       case _ => outer.map { gen =>
-        s"${gen.value}.new ${cls.getSimpleName}($argString)"
+        s"${gen.value}.new ${Utils.getSimpleName(cls)}($argString)"
       }.getOrElse {
         s"new $className($argString)"
       }
diff --git a/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/encoders/ExpressionEncoderSuite.scala b/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/encoders/ExpressionEncoderSuite.scala
index f2598a925e08e..26352648638c7 100644
--- a/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/encoders/ExpressionEncoderSuite.scala
+++ b/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/encoders/ExpressionEncoderSuite.scala
@@ -205,6 +205,18 @@ class ExpressionEncoderSuite extends CodegenInterpretedPlanTest with AnalysisTes
 
   encodeDecodeTest(Array(Option(InnerClass(1))), "array of optional inner class")
 
+  // holder class to trigger Class.getSimpleName issue
+  object MalformedClassObject extends Serializable {
+    case class MalformedNameExample(x: Int)
+  }
+
+  {
+    OuterScopes.addOuterScope(MalformedClassObject)
+    encodeDecodeTest(
+      MalformedClassObject.MalformedNameExample(42),
+      "nested Scala class should work")
+  }
+
   productTest(PrimitiveData(1, 1, 1, 1, 1, 1, true))
 
   productTest(