diff --git a/build/Dockerfile b/build/Dockerfile
index 58022c6..e5f4d45 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -9,7 +9,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 	&& rm -rf /var/lib/apt/lists/*
 
 # 2. Setup Locales
-RUN localedef -i en_US -c -f UTF-8 -A /usr/share/locale/locale.alias en_US.UTF-8
+RUN locale-gen en_US.UTF-8
 ENV LANG=en_US.utf8
 
 # 3. Copy Gradle (This is fine as is)