diff --git a/shapes/skohub.shacl.ttl b/shapes/skohub.shacl.ttl
index eb148af..de8d7cd 100644
--- a/shapes/skohub.shacl.ttl
+++ b/shapes/skohub.shacl.ttl
@@ -9,6 +9,7 @@
 @prefix dct: <http://purl.org/dc/terms/> .
 @prefix sdo: <https://schema.org> .
 @prefix vann: <http://purl.org/vocab/vann/> .
+@prefix dc: <http://purl.org/dc/elements/1.1/> .
 
 # rdfs:comment holds info with what file under ./tests/invalid/skohub.shacl.ttl
 # the constraint is tested
@@ -17,14 +18,32 @@
 :ConceptSchemeShape
   a sh:NodeShape ;
   sh:targetClass skos:ConceptScheme ;
-  sh:property [
-    sh:path dct:title ;
-    sh:minCount 1;
-    sh:datatype rdf:langString ;
-    sh:message "Concept Scheme has no dct:title with a language tag!" ;
-    sh:severity sh:Violation ;
-    rdfs:comment "Tested with 01_cs_no_title.ttl" ;
-  ] ;
+  sh:or (
+    [
+      sh:path dct:title ;
+      sh:minCount 1;
+      sh:datatype rdf:langString ;
+      sh:message "Concept Scheme has no dct:title with a language tag!" ;
+      sh:severity sh:Violation ;
+      rdfs:comment "Tested with 01_cs_no_title.ttl" ;
+    ] 
+    [
+      sh:path skos:prefLabel ;
+      sh:minCount 1;
+      sh:datatype rdf:langString ;
+      sh:message "Concept Scheme has no skos:prefLabel with a language tag!" ;
+      sh:severity sh:Violation ;
+      rdfs:comment "Tested with 01_cs_no_title.ttl" ;
+    ] 
+    [
+      sh:path dc:title ;
+      sh:minCount 1;
+      sh:datatype rdf:langString ;
+      sh:message "Concept Scheme has no dc:title with a language tag!" ;
+      sh:severity sh:Violation ;
+      rdfs:comment "Tested with 01_cs_no_title.ttl" ;
+    ] 
+  );
   sh:property [
     sh:path skos:hasTopConcept ;
     sh:minCount 1 ;
@@ -40,15 +59,26 @@
     sh:message "The target class for hasTopConcept should be skos:Concept" ;
     rdfs:comment "Tested with 03_cs_target_class_hasTopConcept.ttl" ;
   ] ;
-  sh:property [
-    sh:path dct:description ;
-    sh:datatype rdf:langString ;
-    sh:severity sh:Warning ;
-    sh:minCount 1 ;
-    sh:message: "A description of the Concept Scheme should be provided." ;
-    rdfs:comment "Tested with 04_cs_no_description.ttl" ;
-    rdfs:comment "Tested with 05_cs_description_no_langstring.ttl" ;
-  ] ;
+  sh:or (
+    [
+      sh:path dct:description ;
+      sh:datatype rdf:langString ;
+      sh:severity sh:Warning ;
+      sh:minCount 1 ;
+      sh:message: "A description of the Concept Scheme should be provided." ;
+      rdfs:comment "Tested with 04_cs_no_description.ttl" ;
+      rdfs:comment "Tested with 05_cs_description_no_langstring.ttl" ;
+    ]
+    [
+      sh:path dc:description ;
+      sh:datatype rdf:langString ;
+      sh:severity sh:Warning ;
+      sh:minCount 1 ;
+      sh:message: "A description of the Concept Scheme should be provided." ;
+      rdfs:comment "Tested with 04_cs_no_description.ttl" ;
+      rdfs:comment "Tested with 05_cs_description_no_langstring.ttl" ;
+    ]
+  ) ;
   sh:property [
     sh:path dct:license ;
     sh:minCount 1 ;