diff --git a/Dockerfile b/Dockerfile
index adfbb29..d6a240c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,6 @@
 FROM node:lts-bullseye-slim
+# Set LANG to UTF-8
+ENV LANG C.UTF-8
 WORKDIR /var/www
 
 ARG SAXON_VERSION=10.3
@@ -9,6 +11,7 @@ ADD https://repo1.maven.org/maven2/net/sf/saxon/Saxon-HE/${SAXON_VERSION}/Saxon-
 COPY ./scripts/saxon.sh /usr/local/bin/saxon
 
 RUN chmod a+x /usr/local/bin/saxon \
+    && chmod a+x /usr/local/saxon.jar \
     && apt-get update \
     && apt-get install -y --no-install-recommends \
         ant \