diff --git a/Containerfile b/Containerfile
index 2a66dd4..2ddfc9d 100644
--- a/Containerfile
+++ b/Containerfile
@@ -6,6 +6,8 @@ ENV PATH=/venv/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
 ENV PKGS_DNF="python nodejs latex xelatex tini"
 ENV PKGS_DNF_BUILD="cargo python3-devel"
 
+ENV LANG="C.UTF-8"
+
 ENV PKGS_PIP="jupyter \
     bash_kernel \
     mariadb_kernel \