diff --git a/tools/ocaml/xenstored/store.ml b/tools/ocaml/xenstored/store.ml
index 5dd965db15..c099a2eae6 100644
--- a/tools/ocaml/xenstored/store.ml
+++ b/tools/ocaml/xenstored/store.ml
@@ -465,7 +465,8 @@ let reset_permissions store domid =
 			if perms <> node.perms then
 				Logging.debug "store|node" "Changed permissions for node %s" (Node.get_name node);
 			Some { node with Node.perms }
-	) store.root
+	) store.root;
+	store.quota <- Quota.del store.quota domid
 
 type ops = {
 	store: t;