diff --git a/Rakefile b/Rakefile
index b4ee5fc..96f1f04 100644
--- a/Rakefile
+++ b/Rakefile
@@ -53,7 +53,7 @@ end
 task default: ["app.wasm"]
 
 desc "Build site into /dist"
-file :build_site => ["app.wasm"] do
+task :build_site do
   rm_rf "dist"
   mkdir "dist"
   cp_r "assets", "dist"
diff --git a/index.html b/index.html
index f2e682e..9b448cd 100644
--- a/index.html
+++ b/index.html
@@ -184,7 +184,7 @@
 
     <main>
       <nav id="controls">
-        <img src="/assets/prawn-logo.png" height="65px" />
+        <img src="assets/prawn-logo.png" height="65px" />
         <h1>Prawn BOX</h1>
         <button type="button" id="evalRb">Generate PDF</button>
       </nav>
@@ -207,7 +207,7 @@ <h1>Prawn BOX</h1>
 
     <!-- WARNING: patching script -->
     <!-- <script src="https://cdn.jsdelivr.net/npm/@ruby/wasm-wasi@latest/dist/browser.umd.js"></script> -->
-    <script src="/@ruby/wasm-wasi/dist/browser-patch.umd.js"></script>
+    <script src="@ruby/wasm-wasi/dist/browser-patch.umd.js"></script>
 
     <!-------------------- ERROR POPUP -------------------->
     <script>