diff --git a/build/DOCKERFILE b/build/Dockerfil
similarity index 99%
rename from build/DOCKERFILE
rename to build/Dockerfil
index e2d7abd..d236880 100644
--- a/build/DOCKERFILE
+++ b/build/Dockerfil
@@ -40,7 +40,6 @@ VOLUME ["/var/piler/imap"]
 VOLUME ["/var/piler/stat"]
 VOLUME ["/var/spool/cron/crontabs"]
 
-
 EXPOSE 25 80 443
 
 COPY start.sh /start.sh