diff --git a/browser/components/BrowserContentHandler.sys.mjs b/browser/components/BrowserContentHandler.sys.mjs
index 81f72563b93b9ce77191ad4cf200489222e0122e..40bc484301b3d66542c4171921f527c2ac6ed047 100644
--- a/browser/components/BrowserContentHandler.sys.mjs
+++ b/browser/components/BrowserContentHandler.sys.mjs
@@ -1276,6 +1276,7 @@ function maybeRecordToHandleTelemetry(uri, isLaunch) {
       ".avif",
       ".htm",
       ".html",
+      ".jxl",
       ".pdf",
       ".shtml",
       ".xht",