diff --git a/src/backend/base/langflow/graph/vertex/base.py b/src/backend/base/langflow/graph/vertex/base.py
index 7e53e8424..fb4110918 100644
--- a/src/backend/base/langflow/graph/vertex/base.py
+++ b/src/backend/base/langflow/graph/vertex/base.py
@@ -490,7 +490,8 @@ class Vertex:
             )
         else:
             custom_component = self.custom_component
-            self.custom_component.set_event_manager(event_manager)
+            if hasattr(self.custom_component, "set_event_manager"):
+                self.custom_component.set_event_manager(event_manager)
             custom_params = initialize.loading.get_params(self.params)
 
         await self._build_results(