diff --git a/wipforth.wat b/wipforth.wat
index c8e3968..8397e3a 100644
--- a/wipforth.wat
+++ b/wipforth.wat
@@ -1820,6 +1820,24 @@
 
  ;; => 0x48 bytes
 
+ ;; : HIDDEN 4+ DUP C@ 32 XOR SWAP C! ;
+
+ (data (i32.const 0x0c98)
+ 	   "\50\0c\00\00"
+	   "\06HIDDEN\00"
+	   "\00\00\00\00"
+       "\a8\02\00\00"  ;; 4+
+       "\08\02\00\00"  ;; DUP
+       "\fc\03\00\00"  ;; C@
+       "\18\04\00\00"  ;; LIT
+       "\20\00\00\00"  ;; 32
+	   "\a4\03\00\00"  ;; XOR
+       "\28\02\00\00"  ;; SWAP
+       "\f0\03\00\00"  ;; C!
+       "\0c\04\00\00") ;; EXIT
+
+ ;; => 0x34 bytes
+
  ;; The trampoline is a workaround for WebAssembly's lack of indirect
  ;; jumps and code addresses.  Instead of jumping into the next
  ;; codeword, NEXT sets the $fn global to the function index of the