diff --git a/xos/configurations/opencloud/Dockerfile b/xos/configurations/opencloud/Dockerfile
index 6078c71..f3bf2b3 100644
--- a/xos/configurations/opencloud/Dockerfile
+++ b/xos/configurations/opencloud/Dockerfile
@@ -99,7 +99,7 @@
 
 # Supervisor
 RUN DEBIAN_FRONTEND=noninteractive apt-get install -y supervisor
-ADD /tmp/xos/observer.conf /etc/supervisor/conf.d/
+RUN cp /tmp/xos/observer.conf /etc/supervisor/conf.d/
 
 # Initscript is broken in Ubuntu
 #ADD observer-initscript /etc/init.d/xosobserver