diff --git a/src/common/tools/context_queries/Topology.py b/src/common/tools/context_queries/Topology.py
index caf03ed0eb5271aa6e00a2c107a06f9e496d37dc..c90d59105ae6b0805a73e9a53c664e063703f73d 100644
--- a/src/common/tools/context_queries/Topology.py
+++ b/src/common/tools/context_queries/Topology.py
@@ -65,7 +65,7 @@ def get_topology(
 def get_topology_details(
         context_client : ContextClient, topology_uuid : str, context_uuid : str = DEFAULT_CONTEXT_NAME,
         rw_copy : bool = False
-    ) -> Optional[Topology]:
+    ) -> Optional[TopologyDetails]:
     try:
         # pylint: disable=no-member
         topology_id = TopologyId()