diff --git a/src/Ui/UiRequest.py b/src/Ui/UiRequest.py
index cd23d47d..2d8ebdee 100644
--- a/src/Ui/UiRequest.py
+++ b/src/Ui/UiRequest.py
@@ -36,6 +36,7 @@ content_types = {
     "sig": "application/pgp-signature",
     "txt": "text/plain",
     "webmanifest": "application/manifest+json",
+    "wasm": "application/wasm",
     "webp": "image/webp"
 }