diff --git a/docker/my_example.Dockerfile b/docker/my_example.Dockerfile
index ab4f06c..3b8b11e 100644
--- a/docker/my_example.Dockerfile
+++ b/docker/my_example.Dockerfile
@@ -3,4 +3,4 @@ FROM debian:bullseye-slim AS hello-world
 
 COPY ./docker .
 
-CMD ["< ./hello.txt"]
+CMD ["cat ./hello.txt"]