diff --git a/ckanext/datastore/plugin.py b/ckanext/datastore/plugin.py
index eaf04d10925..f47cbbfd796 100644
--- a/ckanext/datastore/plugin.py
+++ b/ckanext/datastore/plugin.py
@@ -61,6 +61,7 @@ def __new__(cls, *args, **kwargs):
     def register_backends(self):
         return {
             'postgresql': DatastorePostgresqlBackend,
+            'postgres': DatastorePostgresqlBackend,
         }
 
     # IConfigurer