diff --git a/ontology/saref4envi.ttl b/ontology/saref4envi.ttl
index 3bbc83613ca5eedc303ac1c0965be8d5bcaeeff8..7da0858739151771559a792d49559be79bf9e08e 100644
--- a/ontology/saref4envi.ttl
+++ b/ontology/saref4envi.ttl
@@ -1,5 +1,4 @@
 @prefix : <https://saref.etsi.org/saref4envi/> .
-@prefix geo: <http://www.w3.org/2003/01/geo/wgs84_pos#> .
 @prefix owl: <http://www.w3.org/2002/07/owl#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix xml: <http://www.w3.org/XML/1998/namespace> .
@@ -10,6 +9,7 @@
 @prefix s4envi: <https://saref.etsi.org/saref4envi/> .
 @prefix saref: <https://saref.etsi.org/core/> .
 @prefix dcterms: <http://purl.org/dc/terms/> .
+@prefix geo: <http://www.opengis.net/ont/geosparql#>.
 @base <https://saref.etsi.org/saref4envi/> .
 
 <https://saref.etsi.org/saref4envi/> rdf:type owl:Ontology ;
@@ -395,11 +395,7 @@ vann:preferredNamespaceUri rdf:type owl:AnnotationProperty .
 
 ###  https://saref.etsi.org/saref4envi/LightPoint
 :LightPoint rdf:type owl:Class ;
-            rdfs:subClassOf geo:Point ,
-                            [ rdf:type owl:Restriction ;
-                              owl:onProperty geo:location ;
-                              owl:allValuesFrom geo:SpatialThing
-                            ] ,
+            rdfs:subClassOf saref:FeatureOfInterest , geo:Feature ,
                             [ rdf:type owl:Restriction ;
                               owl:onProperty :projectsLight ;
                               owl:allValuesFrom :Light