diff --git a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/ClassCodegen.kt b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/ClassCodegen.kt
index 034062e5301..0b104c33502 100644
--- a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/ClassCodegen.kt
+++ b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/ClassCodegen.kt
@@ -205,6 +205,7 @@ class ClassCodegen private constructor(
         val kind = when {
             facadeClassName != null -> KotlinClassHeader.Kind.MULTIFILE_CLASS_PART
             metadata is MetadataSource.Class -> KotlinClassHeader.Kind.CLASS
+            metadata is MetadataSource.Script -> KotlinClassHeader.Kind.CLASS
             metadata is MetadataSource.File -> KotlinClassHeader.Kind.FILE_FACADE
             metadata is MetadataSource.Function -> KotlinClassHeader.Kind.SYNTHETIC_CLASS
             entry is MultifileFacadeFileEntry -> KotlinClassHeader.Kind.MULTIFILE_CLASS
@@ -217,6 +218,9 @@ class ClassCodegen private constructor(
         if (isMultifileClassOrPart && state.languageVersionSettings.getFlag(JvmAnalysisFlags.inheritMultifileParts)) {
             extraFlags = extraFlags or JvmAnnotationNames.METADATA_MULTIFILE_PARTS_INHERIT_FLAG
         }
+        if (metadata is MetadataSource.Script) {
+            extraFlags = extraFlags or JvmAnnotationNames.METADATA_SCRIPT_FLAG
+        }
 
         writeKotlinMetadata(visitor, state, kind, extraFlags) {
             if (metadata != null) {
diff --git a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/DescriptorMetadataSerializer.kt b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/DescriptorMetadataSerializer.kt
index 1cb1a5bca1a..2491b086839 100644
--- a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/DescriptorMetadataSerializer.kt
+++ b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/DescriptorMetadataSerializer.kt
@@ -34,6 +34,9 @@ class DescriptorMetadataSerializer(
             is DescriptorMetadataSource.Class -> DescriptorSerializer.create(
                 metadata.descriptor, serializerExtension, (parent as? DescriptorMetadataSerializer)?.serializer, context.state.project
             )
+            is DescriptorMetadataSource.Script -> DescriptorSerializer.create(
+                metadata.descriptor, serializerExtension, (parent as? DescriptorMetadataSerializer)?.serializer, context.state.project
+            )
             is DescriptorMetadataSource.File -> DescriptorSerializer.createTopLevel(serializerExtension)
             is DescriptorMetadataSource.Function -> DescriptorSerializer.createForLambda(serializerExtension)
             else -> null
@@ -55,6 +58,7 @@ class DescriptorMetadataSerializer(
         }
         val message = when (metadata) {
             is DescriptorMetadataSource.Class -> serializer!!.classProto(metadata.descriptor).build()
+            is DescriptorMetadataSource.Script -> serializer!!.classProto(metadata.descriptor).build()
             is DescriptorMetadataSource.File ->
                 serializer!!.packagePartProto(irClass.getPackageFragment()!!.fqName, metadata.descriptors).apply {
                     serializerExtension.serializeJvmPackage(this, type)
diff --git a/compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/ScriptGenerator.kt b/compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/ScriptGenerator.kt
index b4437889b63..137839e1af2 100644
--- a/compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/ScriptGenerator.kt
+++ b/compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/ScriptGenerator.kt
@@ -45,7 +45,7 @@ class ScriptGenerator(declarationGenerator: DeclarationGenerator) : DeclarationG
 
         return context.symbolTable.declareScript(descriptor).buildWithScope { irScript ->
 
-            irScript.metadata = DescriptorMetadataSource.Class(descriptor)
+            irScript.metadata = DescriptorMetadataSource.Script(descriptor)
 
             val importedScripts = descriptor.implicitReceivers.filterIsInstanceTo(HashSet<ScriptDescriptor>())
 
diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/MetadataSource.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/MetadataSource.kt
index e3e11a6d565..fad74961031 100644
--- a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/MetadataSource.kt
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/MetadataSource.kt
@@ -13,6 +13,7 @@ interface MetadataSource {
 
     interface File : MetadataSource
     interface Class : MetadataSource
+    interface Script : MetadataSource
     interface Function : MetadataSource
     interface Property : MetadataSource {
         val isConst: Boolean
@@ -30,6 +31,8 @@ sealed class DescriptorMetadataSource : MetadataSource {
 
     class Class(override val descriptor: ClassDescriptor) : DescriptorMetadataSource(), MetadataSource.Class
 
+    class Script(override val descriptor: ScriptDescriptor) : DescriptorMetadataSource(), MetadataSource.Script
+
     class Function(override val descriptor: FunctionDescriptor) : DescriptorMetadataSource(), MetadataSource.Function
 
     class Property(override val descriptor: PropertyDescriptor) : DescriptorMetadataSource(), MetadataSource.Property {