diff --git a/rero_ils/modules/serializers.py b/rero_ils/modules/serializers.py
index 53021bc568..ffd812f09f 100644
--- a/rero_ils/modules/serializers.py
+++ b/rero_ils/modules/serializers.py
@@ -41,7 +41,7 @@ def serialize(self, pid, record, links_factory=None, **kwargs):
         :param record: Record instance.
         :param links_factory: Factory function for record links.
         """
-        if request and request.args.get('resolve'):
+        if request and request.args.get('resolve') == '1':
             record = record.replace_refs()
 
         return super(