diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinPlugin.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinPlugin.kt
index 03f9909815a..d982d61ce92 100755
--- a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinPlugin.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinPlugin.kt
@@ -274,7 +274,7 @@ internal class Kotlin2JsSourceSetProcessor(
                                 "Gradle will not be able to build the project because of the root directory lock.\n" +
                                 "To fix this, consider using the default outputFile location instead of providing it explicitly."
                     )
-                kotlinTaskInstance.destinationDir = outputDir
+                kotlinTaskInstance.destinationDirectory.set(outputDir)
 
                 if (
                     kotlinOptions.freeCompilerArgs.contains(PRODUCE_JS) ||