diff --git a/ckan/logic/action/create.py b/ckan/logic/action/create.py
index 95660cfd095..aff9fc3f128 100644
--- a/ckan/logic/action/create.py
+++ b/ckan/logic/action/create.py
@@ -109,7 +109,10 @@ def package_create(context, data_dict):
 
     package_type = data_dict.get('type')
     package_plugin = lib_plugins.lookup_package_plugin(package_type)
-    schema = package_plugin.create_package_schema()
+    if 'schema' in context:
+        schema = context['schema']
+    else:
+        schema = package_plugin.create_package_schema()
 
     _check_access('package_create', context, data_dict)
 
diff --git a/ckan/logic/action/get.py b/ckan/logic/action/get.py
index 236e1c3559f..c9a32a0ee93 100644
--- a/ckan/logic/action/get.py
+++ b/ckan/logic/action/get.py
@@ -721,7 +721,10 @@ def package_show(context, data_dict):
         item.read(pkg)
 
     package_plugin = lib_plugins.lookup_package_plugin(package_dict['type'])
-    schema = package_plugin.show_package_schema()
+    if 'schema' in context:
+        schema = context['schema']
+    else:
+        schema = package_plugin.show_package_schema()
 
     if schema and context.get('validate', True):
         package_dict, errors = _validate(package_dict, schema, context=context)
diff --git a/ckan/logic/action/update.py b/ckan/logic/action/update.py
index cb0c7a35e1f..1923f8fd71d 100644
--- a/ckan/logic/action/update.py
+++ b/ckan/logic/action/update.py
@@ -233,7 +233,10 @@ def package_update(context, data_dict):
 
     # get the schema
     package_plugin = lib_plugins.lookup_package_plugin(pkg.type)
-    schema = package_plugin.update_package_schema()
+    if 'schema' in context:
+        schema = context['schema']
+    else:
+        schema = package_plugin.update_package_schema()
 
     if 'api_version' not in context:
         # check_data_dict() is deprecated. If the package_plugin has a