diff --git a/qt/aqt/mediasrv.py b/qt/aqt/mediasrv.py
index 658bfa345..ecff5feaf 100644
--- a/qt/aqt/mediasrv.py
+++ b/qt/aqt/mediasrv.py
@@ -675,6 +675,8 @@ exposed_backend_list = [
     "simulate_fsrs_review",
     # DeckConfigService
     "get_ignored_before_count",
+    # CardRenderingService
+    "encode_iri_paths",
 ]