diff --git a/ontology/saref4wear.ttl b/ontology/saref4wear.ttl
index b99128eeeeaa66638a2a0766a5bd4e30b296ebd5..9802908530bbc352782359010d830be34b9413da 100644
--- a/ontology/saref4wear.ttl
+++ b/ontology/saref4wear.ttl
@@ -403,10 +403,10 @@ 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