diff --git a/keyboards/melody96/keymaps/konstantin/keymap.c b/keyboards/melody96/keymaps/konstantin/keymap.c
index 46dbc9ae7c3..1150e5dc796 100644
--- a/keyboards/melody96/keymaps/konstantin/keymap.c
+++ b/keyboards/melody96/keymaps/konstantin/keymap.c
@@ -54,7 +54,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 
   /* Function layer
    * ┌───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┐
-   * │   │   │   │   │   │   │   │   │   │   │   │   │   │   │   │   │   │   │   │
+   * │   │   │   │   │   │   │   │   │   │   │   │   │   │Sys│SLk│Pau│Brk│Top│Btm│
    * ├───┼───┼───┼───┼───┼───┼───┼───┼───┼───┼───┼───┼───┼───┼───┼───┼───┼───┼───┤
    * │   │   │   │   │   │   │   │   │   │   │   │   │   │   │   │RTg│ ÷ │ × │ − │
    * ├───┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴───┼───┼───┼───┼───┤
@@ -68,7 +68,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
    * └────┴────┴────┴────────────────────────┴─────┴─────┴───┴───┴───┴───┴───┴───┘
    */
   [L_FN] = LAYOUT( \
-    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_SYSR, KC_SLCK, KC_PAUS, KC_BRK,  TOP,     BOTTOM,
     _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, RGB_TOG, DIVIDE,  TIMES,   MINUS,
     KC_BTN4, KC_BTN2, KC_MS_U, KC_BTN1, KC_BTN3, KC_BTN5, _______, UC_MOD,  _______, KC_MSTP, KC_MPLY, KC_MPRV, KC_MNXT, CLEAR,            RGB_HUI, RGB_SAI, RGB_VAI, XXXXXXX,
     _______, KC_MS_L, KC_MS_D, KC_MS_R, KC_WH_U, _______, _______, _______, _______, _______, _______, _______, _______,                   RGB_HUD, RGB_SAD, RGB_VAD, RGB_SET,
diff --git a/keyboards/whitefox/keymaps/konstantin/keymap.c b/keyboards/whitefox/keymaps/konstantin/keymap.c
index 494300f2d62..dddfb274e7f 100644
--- a/keyboards/whitefox/keymaps/konstantin/keymap.c
+++ b/keyboards/whitefox/keymaps/konstantin/keymap.c
@@ -25,7 +25,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 
   /* Function layer
    * ┌───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┐
-   * │   │F1 │F2 │F3 │F4 │F5 │F6 │F7 │F8 │F9 │F10│F11│F12│Num│Scr│Pau│
+   * │   │F1 │F2 │F3 │F4 │F5 │F6 │F7 │F8 │F9 │F10│F11│F12│Num│SLk│Pau│
    * ├───┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴───┼───┤
    * │ M4  │M2 │M↑ │M1 │M3 │M5 │   │UCM│   │Stp│Ply│Prv│Nxt│Clear│Ins│
    * ├─────┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴─────┼───┤
diff --git a/users/konstantin/konstantin.h b/users/konstantin/konstantin.h
index d4e0e189910..0639b93a6de 100644
--- a/users/konstantin/konstantin.h
+++ b/users/konstantin/konstantin.h
@@ -17,6 +17,10 @@
   #define FN_FNLK TT(L_FN)
 #endif
 
+#define KC_SYSR LALT(KC_PSCR)
+#undef  KC_BRK
+#define KC_BRK  LCTL(KC_PAUS)
+
 #define MV_UP   LCTL(KC_UP)
 #define MV_DOWN LCTL(KC_DOWN)
 #define MV_LEFT LCTL(KC_LEFT)