diff --git a/signals.yml b/signals.yml
index 157e7bb..7df27a3 100644
--- a/signals.yml
+++ b/signals.yml
@@ -1,4 +1,4 @@
 - { id: 3,  name: 'Hin',              read: 1, write: 0 }
-- { id: 17, name: 'THact',            read: 1, write: 0 }
+- { id: 18, name: 'THact',            read: 1, write: 0 }
 - { id: 11, name: 'in-detect-oven',   read: 0, write: 1 }
 - { id: 12, name: 'out-detect-oven',  read: 0, write: 1 }