diff --git a/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/native/internal/NativeDistributionCommonizerLock.kt b/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/native/internal/NativeDistributionCommonizerLock.kt
index ecb0ab66677..7097a62d862 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/native/internal/NativeDistributionCommonizerLock.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/native/internal/NativeDistributionCommonizerLock.kt
@@ -16,10 +16,9 @@ internal class NativeDistributionCommonizerLock(
 ) {
     private companion object {
         val intraProcessLock: ReentrantLock = ReentrantLock()
+        val lockedOutputDirectories = hashSetOf<File>()
     }
 
-    private val lockedOutputDirectories = mutableSetOf<File>()
-
     fun <T> withLock(action: () -> T): T {
         /* Enter intra-process wide lock */
         intraProcessLock.withLock {