diff --git a/.github/deployment/sparql/CCO_classes_have_BFO_superclass.sparql b/.github/deployment/sparql/CCO_classes_have_BFO_superclass.sparql
index ee9b916..54836ac 100644
--- a/.github/deployment/sparql/CCO_classes_have_BFO_superclass.sparql
+++ b/.github/deployment/sparql/CCO_classes_have_BFO_superclass.sparql
@@ -13,7 +13,7 @@ PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
 SELECT DISTINCT ?class ?label
 WHERE {
 ?class a owl:Class .
-FILTER contains(str(?class),"http://www.ontologyrepository.com/CommonCoreOntologies/")
+FILTER (regex(str(?class),"http://www.ontologyrepository.com/CommonCoreOntologies/"))
 FILTER NOT EXISTS {?class rdfs:subClassOf+ <http://purl.obolibrary.org/obo/BFO_0000001> }
 OPTIONAL {?class rdfs:label ?label}
 }