diff --git a/website/static/js/app.js b/website/static/js/app.js
index b6917ef..4df1083 100644
--- a/website/static/js/app.js
+++ b/website/static/js/app.js
@@ -610,11 +610,14 @@ function loadFromUrl() {
     if (shareParam) {
         try {
             const decoded = base64urlDecode(shareParam);
+            // Split at the first newline character
+            const [filePath, source] = decoded.split(/\n([\s\S]*)$/);
+            document.getElementById('file-path').value = filePath;
             const textarea = document.getElementById('mlf-editor');
             if (textarea) {
-                textarea.value = decoded;
-                updateLineNumbers(decoded);
-                updateHighlighting(decoded);
+                textarea.value = source;
+                updateLineNumbers(source);
+                updateHighlighting(source);
             }
         } catch (error) {
             console.error('Failed to load shared code:', error);
@@ -624,8 +627,9 @@ function loadFromUrl() {
 }
 
 function handleShare() {
+    const filePath = document.getElementById('file-path').value;
     const source = getEditorContent();
-    const encoded = base64urlEncode(source);
+    const encoded = base64urlEncode(`${filePath}\n${source}`);
 
     // Build share URL
     const baseUrl = window.location.origin + window.location.pathname;