diff --git a/src/proxmox-acme b/src/proxmox-acme
index 8d022c6..a796547 100644
--- a/src/proxmox-acme
+++ b/src/proxmox-acme
@@ -724,6 +724,10 @@ _clearaccountconf() {
   return 0
 }
 
+_clearaccountconf_mutable() {
+  return 0
+}
+
 _cleardomainconf() {
   return 0
 }