--- a/automation/taskcluster/docker-aarch64/Dockerfile
+++ b/automation/taskcluster/docker-aarch64/Dockerfile
@@ -8,17 +8,17 @@ WORKDIR /home/worker
 ADD bin /home/worker/bin
 RUN chmod +x /home/worker/bin/*
 
 # Install dependencies.
 ADD setup.sh /tmp/setup.sh
 RUN bash /tmp/setup.sh
 
 # Change user.
-USER worker
+# USER worker # See bug 1347473.
 
 # Env variables.
 ENV HOME /home/worker
 ENV SHELL /bin/bash
 ENV USER worker
 ENV LOGNAME worker
 ENV HOSTNAME taskcluster-worker
 ENV LANG en_US.UTF-8