diff --git a/src/common/type_checkers/Assertions.py b/src/common/type_checkers/Assertions.py
index 71c073f41d247e4daca144f792d21d20d8c7486f..3934c9d89568be90129bb766c61b55a532d2f0b3 100644
--- a/src/common/type_checkers/Assertions.py
+++ b/src/common/type_checkers/Assertions.py
@@ -532,7 +532,7 @@ def validate_device(message):
 
 def validate_link(message):
     assert isinstance(message, dict)
-    assert len(message.keys()) == 4
+    assert len(message.keys()) == 5
     assert 'link_id' in message
     validate_link_id(message['link_id'])
     assert 'name' in message