diff --git a/python/src/trezorlib/protobuf.py b/python/src/trezorlib/protobuf.py
index 5a5315f186..00e0aedbe0 100644
--- a/python/src/trezorlib/protobuf.py
+++ b/python/src/trezorlib/protobuf.py
@@ -166,7 +166,7 @@ class Field:
         if self._py_type is None:
             self._py_type = self._resolve_type()
         # pyright issue https://github.com/microsoft/pyright/issues/8136
-        return self._py_type  # type: ignore [Type ["Unknown | None"]]
+        return self._py_type  # type: ignore [Type "Unknown | None"]
 
     def _resolve_type(self) -> type:
         # look for a type in the builtins