diff --git a/keyboard/planck/extended_keymap_common.c b/keyboard/planck/extended_keymap_common.c
index 895c7418be..387ad43d35 100644
--- a/keyboard/planck/extended_keymap_common.c
+++ b/keyboard/planck/extended_keymap_common.c
@@ -33,10 +33,12 @@ action_t action_for_key(uint8_t layer, keypos_t key)
     uint16_t keycode = keymap_key_to_keycode(layer, key);
 
     // Handle mods in keymap
-    if (keycode > 0x00FF) {
+    if (keycode > 0x00FF && keycode < 0x2000) {
     	action_t action;
     	action.code = ACTION_MODS_KEY(keycode >> 8, keycode & 0xFF);
     	return action;
+	} else if (keycode > 0x1FFF && keycode < 0x3000) {
+        return keymap_func_to_action(keycode & 0xFFF);
 	}
 
     switch (keycode) {
@@ -169,3 +171,9 @@ action_t keymap_fn_to_action(uint16_t keycode)
 {
     return (action_t){ .code = pgm_read_word(&fn_actions[FN_INDEX(keycode)]) };
 }
+
+/* translates Fn keycode to action */
+action_t keymap_func_to_action(uint16_t keycode)
+{
+    return (action_t){ .code = pgm_read_word(&fn_actions[(int)keycode]) };
+}
\ No newline at end of file
diff --git a/keyboard/planck/extended_keymap_common.h b/keyboard/planck/extended_keymap_common.h
index 773b1c5151..fdce9df970 100644
--- a/keyboard/planck/extended_keymap_common.h
+++ b/keyboard/planck/extended_keymap_common.h
@@ -54,6 +54,9 @@ uint16_t keymap_key_to_keycode(uint8_t layer, keypos_t key);
 /* translates Fn keycode to action */
 action_t keymap_fn_to_action(uint16_t keycode);
 
+/* translates Fn keycode to action */
+action_t keymap_func_to_action(uint16_t keycode);
+
 extern const uint16_t keymaps[][MATRIX_ROWS][MATRIX_COLS];
 extern const uint16_t fn_actions[];
 
@@ -67,6 +70,9 @@ extern const uint16_t fn_actions[];
 #define RALT(kc) kc | 0x1400
 #define RGUI(kc) kc | 0x1800
 
+#define FUNC(kc) kc | 0x2000
+
 #define S(kc) LSFT(kc)
+#define F(kc) FUNC(kc)
 
 #endif
diff --git a/keyboard/planck/extended_keymap_jack.c b/keyboard/planck/extended_keymap_jack.c
index b5fea732b8..3f620afbb1 100644
--- a/keyboard/planck/extended_keymap_jack.c
+++ b/keyboard/planck/extended_keymap_jack.c
@@ -5,7 +5,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   {KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_BSPC},
   {KC_ESC,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT},
   {KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_ENT},
-  {KC_RSFT, KC_LCTL, KC_LALT, KC_LGUI, KC_FN2,  KC_SPC, KC_NO,    KC_FN1, KC_LEFT, KC_DOWN, KC_UP,  KC_RGHT}
+  {KC_RSFT, KC_LCTL, KC_LALT, KC_LGUI, FUNC(2),  KC_SPC, KC_NO,    KC_FN1, KC_LEFT, KC_DOWN, KC_UP,  KC_RGHT}
 },
 [1] = { /* Jack colemak */
   {KC_TAB,  KC_Q,    KC_W,    KC_F,    KC_P,    KC_G,    KC_J,    KC_L,    KC_U,    KC_Y,    KC_SCLN, KC_BSPC},
@@ -21,7 +21,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 },
 [3] = { /* Jack LOWER */
   {S(KC_GRV),  S(KC_1),    S(KC_2),    S(KC_3),    S(KC_4),    S(KC_5),    S(KC_6),    S(KC_7),    S(KC_8),    S(KC_9),    S(KC_0), KC_BSPC},
-  {KC_TRNS, KC_FN3, KC_FN4, KC_PAUSE, KC_TRNS, KC_TRNS, KC_TRNS, S(KC_MINS), S(KC_EQL),  S(KC_LBRC), S(KC_RBRC), S(KC_BSLS)},
+  {KC_TRNS, FUNC(3), KC_FN4, LSFT(RSFT(KC_PAUSE)), KC_TRNS, KC_TRNS, KC_TRNS, S(KC_MINS), S(KC_EQL),  S(KC_LBRC), S(KC_RBRC), S(KC_BSLS)},
   {KC_TRNS, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_TRNS},
   {KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_FN2,    KC_TRNS,   KC_NO,   KC_TRNS, KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY}
 }
@@ -33,4 +33,4 @@ const uint16_t PROGMEM fn_actions[] = {
     [3] = ACTION_DEFAULT_LAYER_SET(0),
     [4] = ACTION_DEFAULT_LAYER_SET(1),
 
-};
\ No newline at end of file
+};