diff --git a/ArtifactOntology.ttl b/ArtifactOntology.ttl
index 5f4a7f3..c45b202 100644
--- a/ArtifactOntology.ttl
+++ b/ArtifactOntology.ttl
@@ -1493,7 +1493,7 @@ cco:Facility rdf:type owl:Class ;
              rdfs:subClassOf cco:Artifact ,
                              [ rdf:type owl:Restriction ;
                                owl:onProperty obo:RO_0001025 ;
-                               owl:someValuesFrom <http://www.ontologyrepository.com/CommonCoreOntologies/Mid/GeospatialOntology#PortionOfGeosphere>
+                               owl:someValuesFrom cco:PortionOfGeosphere
                              ] ;
              cco:definition "A Material Artifact that is designed as a building or campus dedicated to some specific purpose."@en ;
              cco:is_curated_in_ontology "http://www.ontologyrepository.com/CommonCoreOntologies/Mid/ArtifactOntology"^^xsd:anyURI ;