diff --git a/Dockerfile b/Dockerfile
index 134f5f2..8a274f0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -28,7 +28,7 @@ RUN apt-get update \
 	apt-get clean && \
 	rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
-ADD setup.sh /start.d
+ADD setup /start.d
 
 EXPOSE 389
 
diff --git a/setup.sh b/setup
similarity index 100%
rename from setup.sh
rename to setup