diff --git i/martin/build.rs w/martin/build.rs
index b463a8c..775a94d 100644
--- i/martin/build.rs
+++ w/martin/build.rs
@@ -75,15 +75,11 @@ fn webui() {
     copy_file_tree(
         &martin_ui_dir,
         &out_martin_ui_dir,
-        &["dist", "node_modules"],
+        &["node_modules"],
     );
 
     println!("installing and building in {}", out_martin_ui_dir.display());
     static_files::NpmBuild::new(&out_martin_ui_dir)
-        .install()
-        .expect("npm install failed")
-        .run("build")
-        .expect("npm run build failed")
         .target(out_martin_ui_dir.join("dist"))
         .to_resource_dir()
         .build()