diff --git a/Dockerfile b/Dockerfile
index 6fbe7bb..b28b54f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,7 +16,7 @@ RUN mkdir /var/run/sshd && \
     echo "export VISIBLE=now" >> /etc/profile
 
 # Set the locale
-RUN DEBIAN_FRONTEND=noninteractive TZ=Etc/CET apt-get -y install tzdata
+RUN DEBIAN_FRONTEND=noninteractive TZ=CET apt-get -y install tzdata
 RUN locale-gen en_US.UTF-8  
 ENV LANG en_US.UTF-8  
 ENV LANGUAGE en_US:en