diff --git a/internal/servers/webrtc/publish_index.html b/internal/servers/webrtc/publish_index.html
index 0ab33037..e3951712 100644
--- a/internal/servers/webrtc/publish_index.html
+++ b/internal/servers/webrtc/publish_index.html
@@ -411,7 +411,7 @@ const loadValuesFromQuery = () => {
   }
 };
 
-window.addEventListener('DOMContentLoaded', () => {
+window.addEventListener('load', () => {
   if (navigator.mediaDevices === undefined) {
     setMessage(`can't access webcams or microphones. Make sure that WebRTC encryption is enabled.`);
     return;
diff --git a/internal/servers/webrtc/read_index.html b/internal/servers/webrtc/read_index.html
index 7d88f362..875e7a2f 100644
--- a/internal/servers/webrtc/read_index.html
+++ b/internal/servers/webrtc/read_index.html
@@ -80,7 +80,7 @@ const loadAttributesFromQuery = () => {
   defaultControls = video.controls;
 };
 
-window.addEventListener('DOMContentLoaded', () => {
+window.addEventListener('load', () => {
   loadAttributesFromQuery();
 
   new MediaMTXWebRTCReader({