diff --git a/CHANGES.md b/CHANGES.md
index bd36d41a5..d8ac73447 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 9.0.1 (2021-??-??)
+
+- #2751: Media not rendered when Converse runs in a browser extension
+
 ## 9.0.0 (2021-11-26)
 
 - Compress new avatar images before uploading them
diff --git a/src/headless/utils/url.js b/src/headless/utils/url.js
index 5ff56336e..58cc2e629 100644
--- a/src/headless/utils/url.js
+++ b/src/headless/utils/url.js
@@ -21,7 +21,7 @@ export function getURI (url) {
 
 function checkFileTypes (types, url) {
     const uri = getURI(url);
-    if (uri === null || !checkTLS(uri)) {
+    if (window.location.protocol !== 'chrome-extension:' && (uri === null || !checkTLS(uri))) {
         return false;
     }
     const filename = uri.filename().toLowerCase();