diff --git a/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/js/testing/KotlinWasmNode.kt b/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/js/testing/KotlinWasmNode.kt
index c3c000061cc3a..3c1a22f74266b 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/js/testing/KotlinWasmNode.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/js/testing/KotlinWasmNode.kt
@@ -43,7 +43,7 @@ internal class KotlinWasmNode(kotlinJsTest: KotlinJsTest) : KotlinJsTestFramewor
         nodeJsArgs: MutableList<String>,
         debug: Boolean,
     ): TCServiceMessagesTestExecutionSpec {
-        val testRunnerFile = writeWasmUnitTestRunner(workingDir.get().asFile.parentFile, task.inputFileProperty.get().asFile)
+        val testRunnerFile = writeWasmUnitTestRunner(workingDir.get().asFile, task.inputFileProperty.get().asFile)
 
         val clientSettings = TCServiceMessagesClientSettings(
             task.name,