diff --git a/vars/uploadCodelist.groovy b/vars/uploadCodelist.groovy
index 0488b1b..8b27afc 100644
--- a/vars/uploadCodelist.groovy
+++ b/vars/uploadCodelist.groovy
@@ -3,6 +3,6 @@
 def call(String csv, String name) {
     PMD pmd = pmdConfig('pmd')
     def draft = jobDraft.find()
-    pmd.drafter.deleteGraph(draft.id as String, "${pmd.config.base_uri}/graph/${util.slugize(name)}")
+    pmd.drafter.deleteGraph(draft.id as String, "${pmd.config.base_uri}/graph/${util.slugise(name)}")
     pmd.pipelines.codelist(draft.id as String, csv, name)
 }