diff --git a/kotlin-native/backend.native/tests/interop/threadStates/threadStates.kt b/kotlin-native/backend.native/tests/interop/threadStates/threadStates.kt
index 7f94f2964e7..0961bbf1833 100644
--- a/kotlin-native/backend.native/tests/interop/threadStates/threadStates.kt
+++ b/kotlin-native/backend.native/tests/interop/threadStates/threadStates.kt
@@ -13,9 +13,7 @@ fun main() {
     callback()
     nestedCalls()
     directStaticCFunctionCall()
-    // TODO: Support runtime initialization for callbacks
-    //       see: https://youtrack.jetbrains.com/issue/KT-44283
-    // callbackOnSeparateThread()
+    callbackOnSeparateThread()
 }
 
 fun assertRunnableThreadState() {