diff --git a/mp_api/client/core/client.py b/mp_api/client/core/client.py
index dc531db6..b69ce014 100644
--- a/mp_api/client/core/client.py
+++ b/mp_api/client/core/client.py
@@ -470,6 +470,7 @@ def _query_resource(
             and num_chunks is None
             and "substrates" not in self.suffix
             and "phonon" not in self.suffix
+            and "molecules" not in self.suffix
         )
 
         if fields: