diff --git a/app/plugins/builtins/unified_search/provider_registry.py b/app/plugins/builtins/unified_search/provider_registry.py
index f6f7e00..d8af4fe 100644
--- a/app/plugins/builtins/unified_search/provider_registry.py
+++ b/app/plugins/builtins/unified_search/provider_registry.py
@@ -160,7 +160,7 @@ async def auto_register_providers(db: AsyncSession) -> None:
     from app.plugins.builtins.unified_search.providers.workflow_provider import (
         WorkflowSearchProvider,
     )
-    graph_rag_search_provider = GraphRagContract.graph_rag_search_provider
+    graph_rag_search_provider = GraphRagContract.GraphRAGSearchProvider
 
     registry = get_search_registry()
     registry.clear()