diff --git a/spoke/Dockerfile b/spoke/Dockerfile
index f9ed431..0a36f79 100644
--- a/spoke/Dockerfile
+++ b/spoke/Dockerfile
@@ -3,6 +3,7 @@ RUN apt-get update && apt-get install -y autossh openssh-client && rm -rf /var/l
 
 RUN echo "PermitRootLogin no" >> /etc/ssh/sshd_config
 RUN echo "PasswordAuthentication no" >> /etc/ssh/sshd_config
+RUN echo "Subsystem sftp internal-sftp" >> /etc/ssh/sshd_config
 
 RG UID=1000
 ARG GID=1000