diff --git a/schema/iguana.owx b/schema/iguana.owx
index 9ae016f2..9badb763 100644
--- a/schema/iguana.owx
+++ b/schema/iguana.owx
@@ -1,12 +1,12 @@
 <?xml version="1.0"?>
 <Ontology xmlns="http://www.w3.org/2002/07/owl#"
-     xml:base="https://iguana-benchmark.eu/ontology/"
+     xml:base="https://vocab.dice-research.org/iguana/ontology.owx"
      xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
      xmlns:xml="http://www.w3.org/XML/1998/namespace"
      xmlns:xsd="http://www.w3.org/2001/XMLSchema#"
      xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
-     ontologyIRI="https://iguana-benchmark.eu/ontology/"
-     versionIRI="https://iguana-benchmark.eu/ontology/4.0.0/">
+     ontologyIRI="https://vocab.dice-research.org/iguana/ontology.owx"
+     versionIRI="https://vocab.dice-research.org/iguana/4.0.0/ontology.owx">
     <Prefix name="dc" IRI="http://purl.org/dc/elements/1.1/"/>
     <Prefix name="owl" IRI="http://www.w3.org/2002/07/owl#"/>
     <Prefix name="rdf" IRI="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
diff --git a/src/main/java/org/aksw/iguana/commons/rdf/IGUANA_BASE.java b/src/main/java/org/aksw/iguana/commons/rdf/IGUANA_BASE.java
index 7dab2cb8..b05101dd 100644
--- a/src/main/java/org/aksw/iguana/commons/rdf/IGUANA_BASE.java
+++ b/src/main/java/org/aksw/iguana/commons/rdf/IGUANA_BASE.java
@@ -3,7 +3,7 @@
 import java.util.Map;
 
 public class IGUANA_BASE {
-    public static final String NS = "http://iguana-benchmark.eu" + "/";
+    public static final String NS = "https://vocab.dice-research.org/iguana/";
     public static final String PREFIX = "iguana";
 
     private IGUANA_BASE() {