diff --git a/volatility3/framework/plugins/linux/lsof.py b/volatility3/framework/plugins/linux/lsof.py
index daa8e5a3d..044e9238f 100644
--- a/volatility3/framework/plugins/linux/lsof.py
+++ b/volatility3/framework/plugins/linux/lsof.py
@@ -54,7 +54,7 @@ class FDInternal:
     """
 
     task: interfaces.objects.ObjectInterface
-    fd_fields: Tuple[int, int, str]
+    fd_fields: Tuple[int, interfaces.objects.ObjectInterface, str]
 
     def to_user(self) -> FDUser:
         """Augment the FD information to be presented to the user