diff --git a/docker/README.md b/docker/README.md
index 0d32da34..648df62c 100644
--- a/docker/README.md
+++ b/docker/README.md
@@ -55,7 +55,7 @@ All the dockerfiles are available in this directory and can be built directly fr
 
 Example to build a custom sink service tagged local/my_sink_service:tag1 in your PC:
 ```bash
-docker build -f docker/sink-service/Dockerfile -t local/my_sink_service:tag1
+docker build -f docker/sink_service/Dockerfile -t local/my_sink_service:tag1 .
 ```
 You can then use this image in the docker-compose template instead of the Wirepas Docker Hub ones.