diff --git a/Dockerfile b/Dockerfile
index da9052b..af8ddaf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -130,9 +130,9 @@ RUN apt update -y \
 
 # Set up locale
 RUN locale-gen en_US.UTF-8
-ENV LANG en_US.UTF-8
-ENV LANGUAGE en_US:en
-ENV LC_ALL en_US.UTF-8
+ENV LANG=en_US.UTF-8 \
+    LANGUAGE=en_US:en \
+    LC_ALL=en_US.UTF-8
 
 # Install minimal Python packages
 RUN python3 -m pip install --no-cache-dir --break-system-packages \