diff --git a/images/base/ubuntu.Dockerfile b/images/base/ubuntu.Dockerfile
index 579cad0..15a59e8 100644
--- a/images/base/ubuntu.Dockerfile
+++ b/images/base/ubuntu.Dockerfile
@@ -64,8 +64,13 @@ RUN systemctl enable docker
 # Create a symlink for standalone docker-compose usage
 RUN ln -s /usr/libexec/docker/cli-plugins/docker-compose /usr/bin/docker-compose
 
+# Generate the desired locale (en_US.UTF-8)
+RUN locale-gen en_US.UTF-8
+
 # Make typing unicode characters in the terminal work.
 ENV LANG=en_US.UTF-8
+ENV LANGUAGE=en_US.UTF-8
+ENV LC_ALL=en_US.UTF-8
 
 # Remove the `ubuntu` user and add a user `coder` so that you're not developing as the `root` user
 RUN userdel -r ubuntu && \
diff --git a/images/minimal/ubuntu.Dockerfile b/images/minimal/ubuntu.Dockerfile
index b260d35..d38cadb 100644
--- a/images/minimal/ubuntu.Dockerfile
+++ b/images/minimal/ubuntu.Dockerfile
@@ -9,11 +9,18 @@ RUN apt-get update && \
     curl \
     git \
     jq \
+    locales \
     sudo \
     && rm -rf /var/lib/apt/lists/*
 
+# Generate the desired locale (en_US.UTF-8)
+RUN locale-gen en_US.UTF-8
+
 # Make typing unicode characters in the terminal work.
 ENV LANG=en_US.UTF-8
+ENV LANGUAGE=en_US.UTF-8
+ENV LC_ALL=en_US.UTF-8
+
 # Remove the `ubuntu` user and add a user `coder` so that you're not developing as the `root` user
 RUN userdel -r ubuntu && \
     useradd coder \