diff --git a/backend/app.py b/backend/app.py
index 336dabd2de5217cd9cc4d617ad47996bf26c23d9..332dbccf62d631468825779f3c3165f743bc50f3 100644
--- a/backend/app.py
+++ b/backend/app.py
@@ -34,7 +34,7 @@ def get_nodes():
             if year:
                 query = query.filter(Node.year == year)
             if type_filter and type_filter != 'All':
-                query = query.filter(Node.station_type == type_filter)
+                query = query.filter(Node.type == type_filter)
             nodes = query.all()
             node_list = [node.to_dict() for node in nodes]
             return jsonify(node_list)