diff --git a/dts_validator/client.py b/dts_validator/client.py
index 97239a2..02bc773 100644
--- a/dts_validator/client.py
+++ b/dts_validator/client.py
@@ -277,6 +277,7 @@ def get_resource_recursively(collection : DTS_Collection, dts_client : DTS_API)
     if isinstance(collection, DTS_Resource):
         return collection
     else:
+        resource = None
         for child in collection.children:
             if isinstance(child, DTS_Resource):
                 resource = child
@@ -295,4 +296,4 @@ def get_collections_recursively(collection, dts_client):
             for member in collection._json['member']
         ]
     else:
-        return collection
\ No newline at end of file
+        return collection