diff --git a/sdks/apigw-manager/src/apigw_manager/apigw/management/commands/sync_apigw_resources.py b/sdks/apigw-manager/src/apigw_manager/apigw/management/commands/sync_apigw_resources.py
index 156907f..567abab 100644
--- a/sdks/apigw-manager/src/apigw_manager/apigw/management/commands/sync_apigw_resources.py
+++ b/sdks/apigw-manager/src/apigw_manager/apigw/management/commands/sync_apigw_resources.py
@@ -53,7 +53,7 @@ def do(self, manager, definition, configuration, *args, **kwargs):
             'delete': kwargs["delete"],
         }
 
-        if 'doc_language' in kwargs:
+        if kwargs['doc_language']:
             sync_args['doc_language'] = kwargs['doc_language']
 
         result = manager.sync_resources_config(**sync_args)