diff --git a/agave/lib/mongoengine/model_helpers.py b/agave/lib/mongoengine/model_helpers.py
index dac16892..68e6a0b5 100644
--- a/agave/lib/mongoengine/model_helpers.py
+++ b/agave/lib/mongoengine/model_helpers.py
@@ -116,7 +116,7 @@ def mongo_to_python_type(field, data, field_name: str = ''):
             'CA': '/cards/',
             'SP': '/service_providers/',
         }
-        return f'{mapper[data[:2]]}{data}'
+        return f'{mapper[data[:2]]}{data}_uri'
     else:
         rv = str(data)
 
diff --git a/agave/version.py b/agave/version.py
index b7392e81..369deab3 100644
--- a/agave/version.py
+++ b/agave/version.py
@@ -1 +1 @@
-__version__ = '0.1.2.dev1'
+__version__ = '0.1.2.dev2'