diff --git a/tcl/ill5.stick b/tcl/ill5.stick
index 4b168ad..d10f7bc 100644
--- a/tcl/ill5.stick
+++ b/tcl/ill5.stick
@@ -1,3 +1,5 @@
 stickDesc = standard ILL5 stick
 
-stick_sensors x09882 code=820
+# 2025-08-29: the code sensor seems broken
+stick_sensors x09882 undefined
+#stick_sensors x09882 code=820