diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/webpack/KotlinWebpack.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/webpack/KotlinWebpack.kt
index 5d0b1fbf56f..33d737d021b 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/webpack/KotlinWebpack.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/webpack/KotlinWebpack.kt
@@ -105,8 +105,11 @@ open class KotlinWebpack : DefaultTask(), RequiresNpmDependencies {
     internal var _destinationDirectory: File? = null
 
     @get:Internal
-    val destinationDirectory: File
+    var destinationDirectory: File
         get() = _destinationDirectory ?: project.buildDir.resolve(baseConventions!!.distsDirName)
+        set(value) {
+            _destinationDirectory = value
+        }
 
     @get:Internal
     var outputFileName: String by property {