diff --git a/demo/gdml/src/jsMain/kotlin/space/kscience/visionforge/gdml/demo/GdmlJsDemoApp.kt b/demo/gdml/src/jsMain/kotlin/space/kscience/visionforge/gdml/demo/GdmlJsDemoApp.kt
index ab2b35e0..e2d7ad51 100644
--- a/demo/gdml/src/jsMain/kotlin/space/kscience/visionforge/gdml/demo/GdmlJsDemoApp.kt
+++ b/demo/gdml/src/jsMain/kotlin/space/kscience/visionforge/gdml/demo/GdmlJsDemoApp.kt
@@ -1,7 +1,7 @@
 package space.kscience.visionforge.gdml.demo
 
-import kotlinx.browser.document
 import kotlinx.css.*
+import org.w3c.dom.Document
 import react.dom.client.createRoot
 import space.kscience.dataforge.context.Context
 import space.kscience.dataforge.context.fetch
@@ -20,7 +20,7 @@ import styled.injectGlobal
 
 private class GDMLDemoApp : Application {
 
-    override fun start(state: Map<String, Any>) {
+    override fun start(document: Document, state: Map<String, Any>) {
         val context = Context("gdml-demo"){
             plugin(ThreePlugin)
         }
diff --git a/demo/js-playground/src/main/kotlin/JsPlaygroundApp.kt b/demo/js-playground/src/main/kotlin/JsPlaygroundApp.kt
index 1ee7e013..2c93d31f 100644
--- a/demo/js-playground/src/main/kotlin/JsPlaygroundApp.kt
+++ b/demo/js-playground/src/main/kotlin/JsPlaygroundApp.kt
@@ -1,5 +1,5 @@
-import kotlinx.browser.document
 import kotlinx.css.*
+import org.w3c.dom.Document
 import react.dom.client.createRoot
 import ringui.SmartTabs
 import ringui.Tab
@@ -30,7 +30,7 @@ fun Trace.appendXYLatest(x: Number, y: Number, history: Int = 400, xErr: Number?
 
 private class JsPlaygroundApp : Application {
 
-    override fun start(state: Map<String, Any>) {
+    override fun start(document: Document, state: Map<String, Any>) {
 
         val playgroundContext = Context {
             plugin(ThreeWithControlsPlugin)