diff --git a/projects/kubernetes/image-cache/Dockerfile b/projects/kubernetes/image-cache/Dockerfile
index b94c8710d..33815b306 100644
--- a/projects/kubernetes/image-cache/Dockerfile
+++ b/projects/kubernetes/image-cache/Dockerfile
@@ -1,5 +1,5 @@
 FROM docker:17.06.0-ce-dind
-ADD . /images
+COPY *.tar /images/
 ENTRYPOINT [ "/bin/sh", "-c" ]
 CMD [ "for image in /images/*.tar ; do docker image load -i $image && rm -f $image ; done" ]
 LABEL org.mobyproject.config='{"binds": ["/var/run:/var/run"]}'