diff --git a/Isabelle_DOF-Ontologies/document-templates/root-lipics-v2021-UNSUPPORTED.tex b/Isabelle_DOF-Ontologies/document-templates/root-lipics-v2021-UNSUPPORTED.tex
index 9c43b1c..1eca449 100644
--- a/Isabelle_DOF-Ontologies/document-templates/root-lipics-v2021-UNSUPPORTED.tex
+++ b/Isabelle_DOF-Ontologies/document-templates/root-lipics-v2021-UNSUPPORTED.tex
@@ -23,6 +23,8 @@
 %% All customization and/or additional packages should be added to the file
 %% preamble.tex.
 
+
+\PassOptionsToPackage{english,USenglish}{babel}
 \documentclass[a4paper,UKenglish,cleveref, autoref,thm-restate]{lipics-v2021}
 \bibliographystyle{plainurl}% the mandatory bibstyle
 \title{No Title Given}