diff --git a/browser/components/BrowserContentHandler.sys.mjs b/browser/components/BrowserContentHandler.sys.mjs
index 7747d90981aea9437bf2d9cf46ec17be0b9ad64c..656d640da0efeb59a4037bb450e0cb1f69dda0ba 100644
--- a/browser/components/BrowserContentHandler.sys.mjs
+++ b/browser/components/BrowserContentHandler.sys.mjs
@@ -1270,6 +1270,7 @@ function maybeRecordToHandleTelemetry(uri, isLaunch) {
       ".avif",
       ".htm",
       ".html",
+      ".jxl",
       ".pdf",
       ".shtml",
       ".xht",