diff --git a/viewer/models.py b/viewer/models.py
index 8f7b628a..f639d37f 100644
--- a/viewer/models.py
+++ b/viewer/models.py
@@ -921,7 +921,7 @@ def __repr__(self) -> str:
             self.smiles,
             self.name,
             self.compound,
-            self.lhs_pdb,
+            self.site_observation_code,
         )