diff --git a/backend/app/api/graph.py b/backend/app/api/graph.py
index 2eabc0e..74a902d 100644
--- a/backend/app/api/graph.py
+++ b/backend/app/api/graph.py
@@ -541,9 +541,8 @@ def get_graph_data(graph_id: str):
     try:
         # Find which project owns this graph_id
         all_projects = ProjectManager.list_projects()
-        for proj_summary in all_projects:
-            proj = ProjectManager.get_project(proj_summary["project_id"])
-            if proj and proj.graph_id == graph_id:
+        for proj in all_projects:
+            if proj.graph_id == graph_id:
                 project_dir = ProjectManager._get_project_dir(proj.project_id)
                 graph_data = LLMGraphBuilderService.load_graph_data(project_dir)
                 if graph_data: