diff --git a/ontology/saref4wear.ttl b/ontology/saref4wear.ttl
index d7a0601312e8cc1346898263d73830c02c26e574..93dfbd1f12826c5f230d66ec4b9445af416e7e9d 100644
--- a/ontology/saref4wear.ttl
+++ b/ontology/saref4wear.ttl
@@ -816,7 +816,8 @@ s4wear:WearableComponent rdf:type owl:Class .
 
 ###  https://saref.etsi.org/saref4wear/Wearer
 s4wear:Wearer rdf:type owl:Class ;
-              rdfs:subClassOf [ owl:intersectionOf ( saref:FeatureOfInterest
+              rdfs:subClassOf geosp:SpatialObject ,
+                              [ owl:intersectionOf ( saref:FeatureOfInterest
                                                      [ rdf:type owl:Restriction ;
                                                        owl:onProperty s4wear:isSensedBy ;
                                                        owl:someValuesFrom s4wear:Wearable