diff --git a/jsoniter-scala-macros/shared/src/main/scala-2/com/github/plokhotnyuk/jsoniter_scala/macros/JsonCodecMaker.scala b/jsoniter-scala-macros/shared/src/main/scala-2/com/github/plokhotnyuk/jsoniter_scala/macros/JsonCodecMaker.scala
index c665ea3bf..66cf43f6a 100644
--- a/jsoniter-scala-macros/shared/src/main/scala-2/com/github/plokhotnyuk/jsoniter_scala/macros/JsonCodecMaker.scala
+++ b/jsoniter-scala-macros/shared/src/main/scala-2/com/github/plokhotnyuk/jsoniter_scala/macros/JsonCodecMaker.scala
@@ -624,14 +624,9 @@ object JsonCodecMaker {
 
       def isSealedClass(tpe: Type): Boolean = tpe.typeSymbol.isClass && tpe.typeSymbol.asClass.isSealed
 
-      def hasSealedParent(tpe: Type): Boolean = {
-        if (!tpe.typeSymbol.isClass) false
-        else {
-          val classSymbol = tpe.typeSymbol.asClass
-          classSymbol.isSealed || classSymbol.baseClasses.exists { baseClassSymbol =>
-            baseClassSymbol.isClass && baseClassSymbol.asClass.isSealed
-          }
-        }
+      def hasSealedParent(tpe: Type): Boolean = tpe.typeSymbol.isClass && {
+        val classSymbol = tpe.typeSymbol.asClass
+        classSymbol.isSealed || classSymbol.baseClasses.exists(s => s.isClass && s.asClass.isSealed)
       }
 
       def isConstType(tpe: Type): Boolean = tpe match {
diff --git a/jsoniter-scala-macros/shared/src/main/scala-3/com/github/plokhotnyuk/jsoniter_scala/macros/JsonCodecMaker.scala b/jsoniter-scala-macros/shared/src/main/scala-3/com/github/plokhotnyuk/jsoniter_scala/macros/JsonCodecMaker.scala
index 7f793d58c..8eedea456 100644
--- a/jsoniter-scala-macros/shared/src/main/scala-3/com/github/plokhotnyuk/jsoniter_scala/macros/JsonCodecMaker.scala
+++ b/jsoniter-scala-macros/shared/src/main/scala-3/com/github/plokhotnyuk/jsoniter_scala/macros/JsonCodecMaker.scala
@@ -764,14 +764,8 @@ object JsonCodecMaker {
 
       def isSealedClass(tpe: TypeRepr): Boolean = tpe.typeSymbol.flags.is(Flags.Sealed)
 
-      def hasSealedParent(tpe: TypeRepr): Boolean = {
-        if (isSealedClass(tpe)) true
-        else {
-          tpe.baseClasses.exists { baseClassSymbol =>
-            baseClassSymbol.flags.is(Flags.Sealed)
-          }
-        }
-      }
+      def hasSealedParent(tpe: TypeRepr): Boolean =
+        isSealedClass(tpe) || tpe.baseClasses.exists(_.flags.is(Flags.Sealed))
 
       def isConstType(tpe: TypeRepr): Boolean = tpe match
         case ConstantType(_) => true