diff --git a/src/ansys/fluent/core/streaming_services/events_streaming.py b/src/ansys/fluent/core/streaming_services/events_streaming.py
index a641ced1d55..b2957c2ee4f 100644
--- a/src/ansys/fluent/core/streaming_services/events_streaming.py
+++ b/src/ansys/fluent/core/streaming_services/events_streaming.py
@@ -556,7 +556,7 @@ def _register_solution_event_sync_callback(
         callback_id: str,
         callback: Callable,
     ) -> tuple[Literal[SolverEvent.SOLUTION_PAUSED], Callable]:
-        unique_id: str = self._session.app_utilitites.register_pause_on_solution_events(
+        unique_id: str = self._session._app_utilities.register_pause_on_solution_events(
             solution_event=event_type
         )