diff --git a/native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/runner/AbstractLocalProcessRunner.kt b/native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/runner/AbstractLocalProcessRunner.kt
index 8e87acbc987..b124a0b0464 100644
--- a/native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/runner/AbstractLocalProcessRunner.kt
+++ b/native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/runner/AbstractLocalProcessRunner.kt
@@ -32,8 +32,10 @@ internal abstract class AbstractLocalProcessRunner<R>(private val executionTimeo
                 DurationUnit.MILLISECONDS.toTimeUnit()
             )
 
-            if (!hasFinishedInTime)
+            if (!hasFinishedInTime) {
+                process.destroy()
                 return@AbstractRun RunResult.TimeoutExceeded(executionTimeout)
+            }
 
             exitCode = process.exitValue()