diff --git a/source/_integrations/knx.markdown b/source/_integrations/knx.markdown
index 69199908f58..94d75a1bfbe 100644
--- a/source/_integrations/knx.markdown
+++ b/source/_integrations/knx.markdown
@@ -843,6 +843,11 @@ travelling_time_up:
   required: false
   default: 25
   type: integer
+invert_updown:
+  description: Set this to `true` to invert the binary up/down commands from/to your KNX actuator. Default is 0 for UP; 1 for DOWN.
+  required: false
+  default: false
+  type: boolean
 invert_position:
   description: Set this to `true` if your actuator reports fully closed position as 0% in KNX.
   required: false