diff --git a/qt/aqt/mediasrv.py b/qt/aqt/mediasrv.py
index b7462f568..51a0fa725 100644
--- a/qt/aqt/mediasrv.py
+++ b/qt/aqt/mediasrv.py
@@ -56,7 +56,15 @@ waitress.wasyncore._DISCONNECTED = waitress.wasyncore._DISCONNECTED.union({EPROT
 
 logger = logging.getLogger(__name__)
 app = flask.Flask(__name__, root_path="/fake")
-flask_cors.CORS(app, resources={r"/*": {"origins": "127.0.0.1"}})
+flask_cors.CORS(
+    app,
+    resources={
+        r"/_anki/js/vendor/mathjax/output/chtml/fonts/woff-v2/.*.woff": {
+            "origins": "*"
+        },
+        r"/*": {"origins": "127.0.0.1"},
+    },
+)
 
 
 @dataclass
diff --git a/ts/routes/reviewer-inner/index.ts b/ts/routes/reviewer-inner/index.ts
index 67223abba..8aaa92e69 100644
--- a/ts/routes/reviewer-inner/index.ts
+++ b/ts/routes/reviewer-inner/index.ts
@@ -4,6 +4,7 @@
 import "../base.scss";
 import "../../reviewer/reviewer.scss";
 
+import "../../mathjax";
 import "mathjax/es5/tex-chtml-full.js";
 import { renderError } from "../../reviewer";
 import { addBrowserClasses } from "../../reviewer/browser_selector";