diff --git a/ontology/saref4wear.ttl b/ontology/saref4wear.ttl
index d7a0601312e8cc1346898263d73830c02c26e574..b562fc386b20ebc3e1091eca205f99ea3ac1622c 100644
--- a/ontology/saref4wear.ttl
+++ b/ontology/saref4wear.ttl
@@ -404,10 +404,10 @@ s4wear:meansOfTransport rdf:type owl:DatatypeProperty ;
                         rdfs:range xsd:string .
 
 
-###  https://saref.etsi.org/saref4wear/wearerRangeAge
-s4wear:wearerRangeAge rdf:type owl:DatatypeProperty ;
+###  https://saref.etsi.org/saref4wear/wearerAgeRange
+s4wear:wearerAgeRange rdf:type owl:DatatypeProperty ;
                       rdfs:domain s4wear:Wearer ;
-                      rdfs:range xsd:int .
+                      rdfs:range xsd:string .
 
 
 ###  https://saref.etsi.org/saref4wear/wearerStatus