diff --git a/Dockerfile b/Dockerfile
index a1b7568..0dc3d34 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -32,7 +32,7 @@ ENV CATALINA_OPTS="\$EXTRA_JAVA_OPTS \
 # init
 RUN apt update \
     && apt -y upgrade \
-    && apt install -y --no-install-recommends openssl unzip gdal-bin wget curl openjdk-11-jdk gettext \
+    && apt install -y --no-install-recommends locales openssl unzip gdal-bin wget curl openjdk-11-jdk gettext \
     && apt clean \
     && rm -rf /var/cache/apt/* \
     && rm -rf /var/lib/apt/lists/*
@@ -105,6 +105,8 @@ EXPOSE 8080
 
 WORKDIR /tmp
 
+RUN echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen && locale-gen
+
 RUN echo "Installing GeoServer $GS_VERSION $GS_BUILD"
 
 COPY --from=download /tmp/geoserver $CATALINA_HOME/webapps/geoserver