diff --git a/web_server.py b/web_server.py
index 1f678d08..2d4b8eb4 100644
--- a/web_server.py
+++ b/web_server.py
@@ -24728,12 +24728,12 @@ def hifi_add_instance():
         return jsonify({'success': False, 'error': str(e)}), 500
 
 
-@app.route('/api/hifi/instances/<path:url>', methods=['DELETE'])
+@app.route('/api/hifi/instances', methods=['DELETE'])
 @admin_only
-def hifi_remove_instance(url):
+def hifi_remove_instance():
     """Remove a HiFi API instance."""
     try:
-        url = url.strip().rstrip('/')
+        url = (request.args.get('url') or '').strip().rstrip('/')
         if not url:
             return jsonify({'success': False, 'error': 'URL is required'}), 400
         from database.music_database import get_database
diff --git a/webui/static/settings.js b/webui/static/settings.js
index 4f916223..abde9eaf 100644
--- a/webui/static/settings.js
+++ b/webui/static/settings.js
@@ -3414,7 +3414,7 @@ async function addHiFiInstance() {
 
 async function removeHiFiInstance(url) {
     try {
-        const resp = await fetch(`/api/hifi/instances/${encodeURIComponent(url)}`, {
+        const resp = await fetch(`/api/hifi/instances?url=${encodeURIComponent(url)}`, {
             method: 'DELETE'
         });
         const data = await resp.json();