diff --git a/src/cco-extensions/ModalRelationOntology.ttl b/src/cco-extensions/ModalRelationOntology.ttl
index a0784a9..ead3f07 100644
--- a/src/cco-extensions/ModalRelationOntology.ttl
+++ b/src/cco-extensions/ModalRelationOntology.ttl
@@ -2696,18 +2696,8 @@ mro:ont00001976 rdf:type owl:ObjectProperty ;
 ###  https://www.commoncoreontologies.org/mro/ont00001977
 mro:ont00001977 rdf:type owl:ObjectProperty ;
                 rdfs:subPropertyOf mro:mro00000001 ;
-                rdfs:domain [ rdf:type owl:Class ;
-                              owl:unionOf ( cco:ont00001017
-                                            cco:ont00001180
-                                            cco:ont00001262
-                                          )
-                            ] ;
-                rdfs:range [ rdf:type owl:Class ;
-                             owl:unionOf ( cco:ont00001017
-                                           cco:ont00001180
-                                           cco:ont00001262
-                                         )
-                           ] ;
+                rdfs:domain cco:ont00001017 ;
+                rdfs:range cco:ont00001017 ;
                 rdfs:label "has affiliate"@en ;
                 <http://www.w3.org/2004/02/skos/core#definition> "x is_affiliated_with y iff x and y are instances of Agent, such that they have any kind of social or business relationship."@en ;
                 cco:ont00001760 <https://www.commoncoreontologies.org/ModalRelationOntology> .