diff --git a/fathomnet/dto.py b/fathomnet/dto.py
index 066c697..dbefff5 100644
--- a/fathomnet/dto.py
+++ b/fathomnet/dto.py
@@ -607,6 +607,6 @@ class FollowedTopic(Topic):
 class WormsNode:
     name: Optional[str] = None
     rank: Optional[str] = None
-    apiaId: Optional[int] = None
+    aphiaId: Optional[int] = None
     alternateNames: Optional[List[str]] = None
     children: Optional[List['WormsNode']] = None