diff --git a/pyiceberg/table/__init__.py b/pyiceberg/table/__init__.py
index c27c9999c5..221a609e5c 100644
--- a/pyiceberg/table/__init__.py
+++ b/pyiceberg/table/__init__.py
@@ -2120,7 +2120,7 @@ def map(self, map_type: MapType, map_partner_id: Optional[int], key_missing: boo
         return False
 
     def primitive(self, primitive: PrimitiveType, primitive_partner_id: Optional[int]) -> bool:
-        return primitive_partner is None
+        return primitive_partner_id is None
 
 
 class PartnerIdByNameAccessor(PartnerAccessor[int]):