diff --git a/Dockerfile b/Dockerfile
index 99b25dd..c4f596d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,10 @@
 FROM ubuntu:bionic
 
 # Install packages required to build AsteroidOS
-RUN apt update && apt upgrade -y && apt install -y git build-essential cpio diffstat gawk chrpath texinfo python python3 python3-distutils wget shared-mime-info zstd liblz4-tool
+# And add the en_US.utf8 locale because it is required and not installed by default in minimal Ubuntu images
+RUN apt update && apt upgrade -y && apt install -y git build-essential cpio diffstat gawk chrpath texinfo python python3 python3-distutils wget shared-mime-info zstd liblz4-tool locales \
+    && rm -rf /var/lib/apt/lists/* && localedef -i en_US -c -f UTF-8 -A /usr/share/locale/locale.alias en_US.UTF-8
 
-# Add the en_US.utf8 locale because it is required and not installed by default in minimal Ubuntu images
-RUN apt-get install -y locales && rm -rf /var/lib/apt/lists/* && localedef -i en_US -c -f UTF-8 -A /usr/share/locale/locale.alias en_US.UTF-8
 ENV LANG en_US.utf8
 
 WORKDIR /asteroid