diff --git a/Model01-Firmware.ino b/Model01-Firmware.ino
index 5f4d5e82..60ad8eeb 100644
--- a/Model01-Firmware.ino
+++ b/Model01-Firmware.ino
@@ -142,10 +142,10 @@ const Key keymaps[][ROWS][COLS] PROGMEM = {
    ShiftToLayer(FUNCTION)),
 
   [FUNCTION] =  KEYMAP_STACKED
-  (___,      Key_F1,           Key_F2,      Key_F3,     Key_F4,        Key_F5,           XXX,
-   Key_Tab,  ___,              Key_mouseUp, ___,        Key_mouseBtnR, Key_mouseWarpEnd, Key_mouseWarpNE,
-   Key_Home, Key_mouseL,       Key_mouseDn, Key_mouseR, Key_mouseBtnL, Key_mouseWarpNW,
-   Key_End,  Key_PrintScreen,  Key_Insert,  ___,        Key_mouseBtnM, Key_mouseWarpSW,  Key_mouseWarpSE,
+  (___,      Key_F1,           Key_F2,      Key_F3,            Key_F4,        Key_F5,           XXX,
+   Key_Tab,  ___,              Key_mouseUp, Key_mouseScrollDn, Key_mouseBtnR, Key_mouseWarpEnd, Key_mouseWarpNE,
+   Key_Home, Key_mouseL,       Key_mouseDn, Key_mouseR,        Key_mouseBtnL, Key_mouseWarpNW,
+   Key_End,  Key_PrintScreen,  Key_Insert,  Key_mouseScrollUp, Key_mouseBtnM, Key_mouseWarpSW,  Key_mouseWarpSE,
    ___, Key_Delete, ___, ___,
    ___,