diff --git a/manifests/deployment.yml b/manifests/deployment.yml
index 6f21fa1..26ff604 100644
--- a/manifests/deployment.yml
+++ b/manifests/deployment.yml
@@ -30,6 +30,8 @@ spec:
         - name: calibre
           image: docker.io/linuxserver/calibre-web:latest
           env:
+            - name: S6_YES_I_WANT_A_WORLD_WRITABLE_RUN_BECAUSE_KUBERNETES
+              value: "1"
             - name: TZ
               value: "Australia/Sydney"
             - name: DOCKER_MODS