diff --git a/docker/workspace/Dockerfile b/docker/workspace/Dockerfile
index c44bb35..65e709e 100755
--- a/docker/workspace/Dockerfile
+++ b/docker/workspace/Dockerfile
@@ -185,7 +185,7 @@ RUN usermod -u 1000 www-data \
 COPY ssl-certificates /etc/ssl/certificates/
 COPY ssh-keys /root/.ssh/host-keys/
 
-RUN chmod 644 /etc/ssl/certificates/*
+RUN chmod -R 644 /etc/ssl/certificates
 RUN if [find "/root/.ssh/host-keys" -mindepth 1 -print -quit 2>/dev/null | grep -q .]; then \
     chmod 600 /root/.ssh/host-keys/id_rsa \
     && chmod 644 /root/.ssh/host-keys/id_rsa.pub \