diff --git a/static/index.html b/static/index.html
index 0fb2912..0b4218c 100644
--- a/static/index.html
+++ b/static/index.html
@@ -25,7 +25,7 @@
 <label>Use this markup in your HTML: <br><textarea id="result" placeholder="result will go here"></textarea></label>
 <br>
 <h4>Live Preview:</h4>
-<iframe id="frame" allowfullscreen sandbox="allow-top-navigation allow-scripts" width="400" height="800" src="http://localhost:8000/api/feed?url=https%3A%2F%2Foctodon.social%2Fusers%2Ffenwick67.atom&theme=dark&size=100"></iframe>
+<iframe id="frame" allowfullscreen sandbox="allow-top-navigation allow-scripts" width="400" height="800" src="/api/feed?url=https%3A%2F%2Foctodon.social%2Fusers%2Ffenwick67.atom&theme=dark&size=100"></iframe>
 <script>
 window.genUrl = function genUrl(){
 	function val(id){