diff --git a/api/s5_pipes.py b/api/s5_pipes.py
index 9e4bcf3..afabea7 100644
--- a/api/s5_pipes.py
+++ b/api/s5_pipes.py
@@ -165,7 +165,7 @@ def inp_out_pipe(name: str) -> list[str]:
         diameter = obj['diameter']
         roughness = obj['roughness']
         minor_loss = obj['minor_loss']
-        status = obj['vol_curve']
+        status = obj['status']
         desc = ';'
         lines.append(f'{id} {node1} {node2} {length} {diameter} {roughness} {minor_loss} {status} {desc}')
     return lines