diff --git a/docker/cassandra-cdn/Dockerfile b/docker/cassandra-cdn/Dockerfile
index 1aaeb8d2..6a037c76 100644
--- a/docker/cassandra-cdn/Dockerfile
+++ b/docker/cassandra-cdn/Dockerfile
@@ -41,4 +41,4 @@ RUN chmod 755 /usr/local/bin/cass-stop
 EXPOSE 7199 7000 7001 9160 9042
 USER root
 CMD cass-dock
-RUN 
\ No newline at end of file
+