diff --git a/aredis_om/model/model.py b/aredis_om/model/model.py
index a4c6b9e7..ffa0070c 100644
--- a/aredis_om/model/model.py
+++ b/aredis_om/model/model.py
@@ -1247,9 +1247,7 @@ def __new__(cls, name, bases, attrs, **kwargs):  # noqa C901
             )
         if not getattr(new_class._meta, "model_key_prefix", None):
             # Don't look at the base class for this.
-            new_class._meta.model_key_prefix = (
-                f"{new_class.__module__}.{new_class.__name__}"
-            )
+            new_class._meta.model_key_prefix = new_class.__name__
         if not getattr(new_class._meta, "primary_key_pattern", None):
             new_class._meta.primary_key_pattern = getattr(
                 base_meta, "primary_key_pattern", "{pk}"