diff --git a/src/main/resources/activitystreams_2.0_owl.ttl b/src/main/resources/activitystreams_2.0_owl.ttl
index 7fffc1c..ab6c6a8 100644
--- a/src/main/resources/activitystreams_2.0_owl.ttl
+++ b/src/main/resources/activitystreams_2.0_owl.ttl
@@ -477,6 +477,8 @@ as:id a owl:DatatypeProperty ,
         owl:DeprecatedProperty ;
   rdfs:label "id"@en ;
   rdfs:range xsd:anyURI ;
+  rdfs:domain as:Link,
+              as:Object;
   rdfs:domain [
     a owl:Class ;
     owl:unionOf (as:Link as:Object)