diff --git a/clusters/cl01tl/helm/matrix-synapse/values.yaml b/clusters/cl01tl/helm/matrix-synapse/values.yaml
index efbc66d95..3b0b4cc27 100644
--- a/clusters/cl01tl/helm/matrix-synapse/values.yaml
+++ b/clusters/cl01tl/helm/matrix-synapse/values.yaml
@@ -463,6 +463,9 @@ volsync-target-discord:
     schedule: 40 10 * * *
 volsync-target-whatsapp:
   pvcTarget: mautrix-whatsapp
+  moverSecurityContext:
+    runAsUser: 1337
+    runAsGroup: 1337
   local:
     enabled: true
     schedule: 42 8 * * *