diff --git a/playground/src/jvmMain/kotlin/hep/dataforge/vision/solid/fileExport.kt b/playground/src/jvmMain/kotlin/hep/dataforge/vision/solid/fileExport.kt
index 3dc29df2..5471bb2e 100644
--- a/playground/src/jvmMain/kotlin/hep/dataforge/vision/solid/fileExport.kt
+++ b/playground/src/jvmMain/kotlin/hep/dataforge/vision/solid/fileExport.kt
@@ -1,5 +1,6 @@
 package ru.mipt.npm.sat
 
+import hep.dataforge.vision.ResourceLocation
 import hep.dataforge.vision.VisionManager
 import hep.dataforge.vision.html.fragment
 import hep.dataforge.vision.solid.box
@@ -15,5 +16,5 @@ fun main() {
         }
     }
 
-    fragment.makeFile()
+    fragment.makeFile(resourceLocation = ResourceLocation.LOCAL)
 }
\ No newline at end of file
diff --git a/visionforge-core/src/jvmMain/kotlin/hep/dataforge/vision/headers.kt b/visionforge-core/src/jvmMain/kotlin/hep/dataforge/vision/headers.kt
index f8e138c5..80e5b250 100644
--- a/visionforge-core/src/jvmMain/kotlin/hep/dataforge/vision/headers.kt
+++ b/visionforge-core/src/jvmMain/kotlin/hep/dataforge/vision/headers.kt
@@ -102,23 +102,21 @@ internal fun fileCssHeader(
 @DFExperimental
 public fun Context.Companion.scriptHeader(
     scriptResource: String,
-    basePath: Path?,
+    basePath: Path,
     resourceLocation: ResourceLocation,
 ): HtmlFragment {
-    val targetPath = if (basePath == null) null else {
-        when (resourceLocation) {
-            ResourceLocation.LOCAL -> checkOrStoreFile(
-                basePath,
-                Path.of(DATAFORGE_ASSETS_PATH),
-                scriptResource
-            )
-            ResourceLocation.SYSTEM -> checkOrStoreFile(
-                Path.of("."),
-                Path.of(System.getProperty("user.home")).resolve(DATAFORGE_ASSETS_PATH),
-                scriptResource
-            )
-            ResourceLocation.EMBED -> null
-        }
+    val targetPath = when (resourceLocation) {
+        ResourceLocation.LOCAL -> checkOrStoreFile(
+            basePath,
+            Path.of(DATAFORGE_ASSETS_PATH),
+            scriptResource
+        )
+        ResourceLocation.SYSTEM -> checkOrStoreFile(
+            Path.of("."),
+            Path.of(System.getProperty("user.home")).resolve(DATAFORGE_ASSETS_PATH),
+            scriptResource
+        )
+        ResourceLocation.EMBED -> null
     }
     return if (targetPath == null) {
         embedScriptHeader(scriptResource)
diff --git a/visionforge-threejs/visionforge-threejs-server/src/jvmMain/kotlin/hep/dataforge/vision/three/server/serverExtensions.kt b/visionforge-threejs/visionforge-threejs-server/src/jvmMain/kotlin/hep/dataforge/vision/three/server/serverExtensions.kt
index fa7a0488..a4d84a23 100644
--- a/visionforge-threejs/visionforge-threejs-server/src/jvmMain/kotlin/hep/dataforge/vision/three/server/serverExtensions.kt
+++ b/visionforge-threejs/visionforge-threejs-server/src/jvmMain/kotlin/hep/dataforge/vision/three/server/serverExtensions.kt
@@ -10,6 +10,7 @@ import hep.dataforge.vision.makeFile
 import hep.dataforge.vision.scriptHeader
 import hep.dataforge.vision.solid.SolidGroup
 import hep.dataforge.vision.solid.SolidManager
+import java.nio.file.Files
 import java.nio.file.Path
 
 public actual val visionContext: Context = Global.context("vision-server") {
@@ -38,6 +39,7 @@ public fun HtmlVisionFragment.makeFile(
     resourceLocation: ResourceLocation = ResourceLocation.SYSTEM,
     show: Boolean = true,
 ) {
-    val scriptHeader = Context.scriptHeader("/js/visionforge-three.js", path, resourceLocation)
+    val actualPath = path ?: Files.createTempFile("tempPlot", ".html")
+    val scriptHeader = Context.scriptHeader("/js/visionforge-three.js", actualPath, resourceLocation)
     makeFile(visionManager, path = path, show = show, title = title, headers = arrayOf(scriptHeader))
 }
\ No newline at end of file