diff --git a/kotlin-native/runtime/src/alloc/legacy/cpp/ObjectFactorySweep.hpp b/kotlin-native/runtime/src/alloc/legacy/cpp/ObjectFactorySweep.hpp
index 8733e71eadb..9cc9ddea43b 100644
--- a/kotlin-native/runtime/src/alloc/legacy/cpp/ObjectFactorySweep.hpp
+++ b/kotlin-native/runtime/src/alloc/legacy/cpp/ObjectFactorySweep.hpp
@@ -59,7 +59,7 @@ SegregatedFinalizerQueue<typename Traits::ObjectFactory::FinalizerQueue> Sweep(
         sweepHandle.addSweptObject();
         if (HasFinalizers(objHeader)) {
             auto* extraObject = mm::ExtraObjectData::Get(objHeader);
-            if (compiler::objcDisposeOnMain() && extraObject->getFlag(mm::ExtraObjectData::FLAGS_RELEASE_ON_MAIN_QUEUE)) {
+            if (compiler::objcDisposeOnMain() && extraObject && extraObject->getFlag(mm::ExtraObjectData::FLAGS_RELEASE_ON_MAIN_QUEUE)) {
                 objectFactoryIter.MoveAndAdvance(finalizerQueue.mainThread, it);
             } else {
                 objectFactoryIter.MoveAndAdvance(finalizerQueue.regular, it);