diff --git a/kotlin-native/backend.native/tests/runtime/workers/worker11.kt b/kotlin-native/backend.native/tests/runtime/workers/worker11.kt
index e3a61d18107..06f646fa127 100644
--- a/kotlin-native/backend.native/tests/runtime/workers/worker11.kt
+++ b/kotlin-native/backend.native/tests/runtime/workers/worker11.kt
@@ -102,7 +102,7 @@ val counters = Array(COUNT) { AtomicInt(0) }
         }
     }
     workers.forEach {
-        it.executeAfter(1000*1000*1000, {
+        it.executeAfter(1000L*1000*1000, {
             println("DELAY EXECUTED")
             assert(false)
         }.freeze())