diff --git a/fastapi/routing.py b/fastapi/routing.py
index 54c75a027..446f86cf4 100644
--- a/fastapi/routing.py
+++ b/fastapi/routing.py
@@ -1231,6 +1231,7 @@ class APIRouter(routing.Router):
                 """
             ),
         ] = Default(generate_unique_id),
+        route_class_override: Optional[Type[APIRoute]] = None,
     ) -> None:
         """
         Include another `APIRouter` in the same current `APIRouter`.
@@ -1325,7 +1326,7 @@ class APIRouter(routing.Router):
                     and include_in_schema,
                     response_class=use_response_class,
                     name=route.name,
-                    route_class_override=type(route),
+                    route_class_override=route_class_override or type(route),
                     callbacks=current_callbacks,
                     openapi_extra=route.openapi_extra,
                     generate_unique_id_function=current_generate_unique_id,