diff --git a/src/KMonad/Keyboard/IO/Mac/Types.hs b/src/KMonad/Keyboard/IO/Mac/Types.hs
index 00a428b2..a67ccd74 100644
--- a/src/KMonad/Keyboard/IO/Mac/Types.hs
+++ b/src/KMonad/Keyboard/IO/Mac/Types.hs
@@ -214,7 +214,7 @@ kcMap = M.fromList
   , ((0x7,0x61), KeyKp9)
   , ((0x7,0x62), KeyKp0)
   , ((0x7,0x63), KeyKpDot)
-  -- , ((0x7,0x64), KeyNonUSBackslash)
+  , ((0x7,0x64), Key102nd)
   -- , ((0x7,0x65), KeyApplication)
   , ((0x7,0x66), KeyPower)
   , ((0x7,0x67), KeyKpEqual)