diff --git a/build.gradle.kts b/build.gradle.kts
index e921a326..ddd762eb 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -43,7 +43,7 @@ allprojects {
 }
 
 tasks.dokkaHtmlMultiModule.configure {
-    outputDirectory.set(buildDir.resolve("gh-pages"))
+    outputDirectory.fileProvider(layout.buildDirectory.file("gh-pages").map { it.asFile })
 }
 
 fun Project.withPluginWhenEvaluated(plugin: String, action: Project.() -> Unit) {