diff --git a/gvafile/gvafile/settings/base.py b/gvafile/gvafile/settings/base.py
index 9b57ca0..c204589 100644
--- a/gvafile/gvafile/settings/base.py
+++ b/gvafile/gvafile/settings/base.py
@@ -286,7 +286,7 @@ CELERY_ROUTES = (
     'osusers.tasks.LdapRouter',
     'osusers.tasks.FileRouter',
 )
-CELERY_ACCEPT_CONTENT = ['yaml', 'json']
+CELERY_ACCEPT_CONTENT = ['pickle', 'yaml', 'json']
 CELERY_TASK_SERIALIZER = 'json'
 CELERY_RESULT_SERIALIZER = 'json'
 ########## END CELERY CONFIGURATION