diff --git a/ngr_spider/ogc_api_tiles.py b/ngr_spider/ogc_api_tiles.py
index 5987062..19f02f3 100644
--- a/ngr_spider/ogc_api_tiles.py
+++ b/ngr_spider/ogc_api_tiles.py
@@ -27,7 +27,7 @@ def get_info(self):
         return Info(self.json["info"])
 
     def get_tags(self):
-        return self.json["tags"]
+        return self.json.get('tags', []) or []
 
     def get_servers(self):
         return self.json["servers"]