diff --git a/Dockerfile b/Dockerfile
index 8b54801..e09740b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,4 +9,4 @@ RUN curl -sL `curl -s https://api.github.com/repos/roswell/roswell/releases/late
 
 RUN ros install coleslaw-org/coleslaw
 ENV PATH="/root/.evm/bin:/root/.roswell/bin:$PATH"
-RUN coleslaw --help
+RUN coleslaw --help 2>&1