diff --git a/extracted/konan.serializer/src/org/jetbrains/kotlin/serialization/konan/KonanPackageFragment.kt b/extracted/konan.serializer/src/org/jetbrains/kotlin/serialization/konan/KonanPackageFragment.kt
index 56766b9e375..f06a40cf4ab 100644
--- a/extracted/konan.serializer/src/org/jetbrains/kotlin/serialization/konan/KonanPackageFragment.kt
+++ b/extracted/konan.serializer/src/org/jetbrains/kotlin/serialization/konan/KonanPackageFragment.kt
@@ -58,7 +58,7 @@ class KonanPackageFragment(
     }
 
     val proto: KonanProtoBuf.LinkDataPackageFragment
-        get() = protoForNames.also { packageAccessedHandler?.markPackageAccessed(fqName.toString()) }
+        get() = protoForNames.also { packageAccessedHandler?.markPackageAccessed(fqName.asString()) }
 
     private val nameResolver by lazy {
         NameResolverImpl(protoForNames.stringTable, protoForNames.nameTable)