diff --git a/disciplines/units/sidimensionalunits.ttl b/disciplines/units/sidimensionalunits.ttl
index a26578ff..3058460d 100644
--- a/disciplines/units/sidimensionalunits.ttl
+++ b/disciplines/units/sidimensionalunits.ttl
@@ -37,7 +37,8 @@ We kindly acknowledge NIST for reusing their content, including the physical dim
 ###  https://w3id.org/emmo#EMMO_19d925d0_2cf1_40e5_a391_1a99d68409c9
 :EMMO_19d925d0_2cf1_40e5_a391_1a99d68409c9 rdf:type owl:DatatypeProperty ,
                                                     owl:FunctionalProperty ;
-                                           rdfs:range xsd:string ;
+                                           rdfs:range :EMMO_799c067b_083f_4365_9452_1f1433b03676 ;
+                                           rdfs:seeAlso :EMMO_799c067b_083f_4365_9452_1f1433b03676 ;
                                            skos:prefLabel "hasDimensionString"@en ;
                                            :EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Relates a SI dimensional unit to a dimension string."@en .