diff --git a/src/wuttjamaican/db/util.py b/src/wuttjamaican/db/util.py
index 48703ab..da4720f 100644
--- a/src/wuttjamaican/db/util.py
+++ b/src/wuttjamaican/db/util.py
@@ -65,7 +65,9 @@ class ModelBase:  # pylint: disable=empty-docstring
         state = sa.inspect(self)
         if hasattr(state.attrs, key):
             return getattr(self, key)
-        raise KeyError(f"model instance has no attr with key: {key}")
+        raise KeyError(
+            f"{self.__class__.__name__} instance has no attr with key: {key}"
+        )
 
 
 class UUID(