diff --git a/nmdc_server/fakes.py b/nmdc_server/fakes.py
index dab7f892..cfe95f33 100644
--- a/nmdc_server/fakes.py
+++ b/nmdc_server/fakes.py
@@ -396,7 +396,7 @@ class Meta:
             "facilities": [],
             "otherAward": "",
         },
-        "packageName": "",
+        "packageName": [],
     }
     locked_by = None
     lock_updated = None