diff --git a/pkgs/by-name/ca/calibre/package.nix b/pkgs/by-name/ca/calibre/package.nix
index e998ad1c814b..6b642ce2b281 100644
--- a/pkgs/by-name/ca/calibre/package.nix
+++ b/pkgs/by-name/ca/calibre/package.nix
@@ -248,6 +248,9 @@ stdenv.mkDerivation (finalAttrs: {
         # eglInitialize: Failed to get system egl display
         # Failed to connect to socket /run/dbus/system_bus_socket: No such file or directory
         "test_recipe_browser_webengine"
+        # Flaky test, occasionally errors with python exception:
+        # urllib.error.URLError: <urlopen error NetworkError.RemoteHostClosedError: Connection closed>
+        "test_recipe_browser_qt"
       ]
       ++ lib.optionals stdenv.hostPlatform.isAarch64 [
         # https://github.com/microsoft/onnxruntime/issues/10038