diff --git a/compiler/backend/src/org/jetbrains/kotlin/codegen/state/BuilderFactoryForDuplicateSignatureDiagnostics.kt b/compiler/backend/src/org/jetbrains/kotlin/codegen/state/BuilderFactoryForDuplicateSignatureDiagnostics.kt
index 02a238b1c6a..2c689fec4c5 100644
--- a/compiler/backend/src/org/jetbrains/kotlin/codegen/state/BuilderFactoryForDuplicateSignatureDiagnostics.kt
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/state/BuilderFactoryForDuplicateSignatureDiagnostics.kt
@@ -50,13 +50,14 @@ class BuilderFactoryForDuplicateSignatureDiagnostics(
     private val diagnostics: DiagnosticSink,
     moduleName: String,
     languageVersionSettings: LanguageVersionSettings,
+    useOldInlineClassesManglingScheme: Boolean,
     shouldGenerate: (JvmDeclarationOrigin) -> Boolean,
 ) : SignatureCollectingClassBuilderFactory(builderFactory, shouldGenerate) {
 
     private val mapAsmMethod: (FunctionDescriptor) -> Method = KotlinTypeMapper(
         // Avoid errors when some classes are not loaded for some reason
         bindingContext, ClassBuilderMode.LIGHT_CLASSES, moduleName, languageVersionSettings, isIrBackend = false,
-        useOldInlineClassesManglingScheme = false
+        useOldInlineClassesManglingScheme = useOldInlineClassesManglingScheme
     )::mapAsmMethod
 
     private val reportDiagnosticsTasks = ArrayList<() -> Unit>()
diff --git a/compiler/backend/src/org/jetbrains/kotlin/codegen/state/GenerationState.kt b/compiler/backend/src/org/jetbrains/kotlin/codegen/state/GenerationState.kt
index 0315e9373fd..f61afe8ca9a 100644
--- a/compiler/backend/src/org/jetbrains/kotlin/codegen/state/GenerationState.kt
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/state/GenerationState.kt
@@ -322,6 +322,7 @@ class GenerationState private constructor(
                     else
                         BuilderFactoryForDuplicateSignatureDiagnostics(
                             it, bindingContext, diagnostics, this.moduleName, languageVersionSettings,
+                            useOldManglingSchemeForFunctionsWithInlineClassesInSignatures,
                             shouldGenerate = { origin -> !shouldOnlyCollectSignatures(origin) },
                         ).apply { duplicateSignatureFactory = this }
                 },