diff --git a/plugin.sh b/plugin.sh
index 84ef130..d66820a 100755
--- a/plugin.sh
+++ b/plugin.sh
@@ -104,7 +104,7 @@ run_purge() {
 
   # See https://github.com/moby/moby/issues/30942#issuecomment-540699206
   until [ -z "$(docker -H "$REMOTE_DOCKER_HOST" stack ps "$PLUGIN_STACK" -q)" ]; do sleep 1; done
-  docker -H "$REMOTE_DOCKER_HOST" system prune --all --volumes --force
+  docker -H "$REMOTE_DOCKER_HOST" system prune --all --volumes --force || true
 
   # try and remove all secrets; Docker will leave ones which are in use
   docker -H "$REMOTE_DOCKER_HOST" secret ls --format '{{ .Name }}' | xargs -i sh -c "echo {}; docker -H \"$REMOTE_DOCKER_HOST\" secret rm {} || true"