diff --git a/control/gen-fan-zone-defs.py b/control/gen-fan-zone-defs.py
index 694477b..20c1534 100755
--- a/control/gen-fan-zone-defs.py
+++ b/control/gen-fan-zone-defs.py
@@ -95,6 +95,7 @@
                                     "${s['property']}",
                                     handler::setProperty<${s['type']}>(
                                         "${s['member']}",
+                                        "${s['interface']}",
                                         "${s['property']}"
                                     )
                                 ))