diff --git a/keyboards/atreus/keymaps/default/keymap.c b/keyboards/atreus/keymaps/default/keymap.c
index bd75ac48b9..b6ac626dc9 100644
--- a/keyboards/atreus/keymaps/default/keymap.c
+++ b/keyboards/atreus/keymaps/default/keymap.c
@@ -18,34 +18,35 @@ enum keycodes {
     OS_CTRL,
     OS_ALT,
     OS_CMD,
+    OS_RALT,
 };
 
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
     [DEF] = LAYOUT(
         KC_Q,   KC_W,   KC_E,   KC_R,   KC_T,                   KC_Y,   KC_U,   KC_I,   KC_O,   KC_P,
         KC_A,   KC_S,   KC_D,   KC_F,   KC_G,                   KC_H,   KC_J,   KC_K,   KC_L,   KC_SCLN,
-        KC_Z,   KC_X,   KC_C,   KC_V,   KC_B,   XXXXXXX,XXXXXXX,KC_N,   KC_M,   KC_COMM,KC_DOT, KC_SLSH,
-        XXXXXXX,XXXXXXX,XXXXXXX,LA_NAV, KC_BSPC,XXXXXXX,XXXXXXX,KC_SPC, LA_SYM, XXXXXXX,XXXXXXX,XXXXXXX
+        KC_Z,   KC_X,   KC_C,   KC_V,   KC_B,   XXXXXXX,XXXXXXX,KC_N,   KC_M,   KC_COMM,KC_DOT, KC_QUOT,
+        XXXXXXX,XXXXXXX,XXXXXXX,LA_NAV, KC_LSFT,XXXXXXX,XXXXXXX,KC_SPC, LA_SYM, XXXXXXX,XXXXXXX,XXXXXXX
     ),
 
     [SYM] = LAYOUT(
         KC_ESC, KC_LBRC,KC_LCBR,KC_LPRN,KC_TILD,                KC_CIRC,KC_RPRN,KC_RCBR,KC_RBRC,KC_GRV,
-        KC_MINS,KC_ASTR,KC_EQL, KC_UNDS,KC_DLR,                 KC_HASH,OS_CMD, OS_ALT, OS_CTRL,OS_SHFT,
-        KC_PLUS,KC_PIPE,KC_AT,  KC_SLSH,KC_PERC,XXXXXXX,XXXXXXX,XXXXXXX,KC_BSLS,KC_AMPR,KC_QUES,KC_EXLM,
+        KC_MINS,KC_ASTR,KC_EQL, KC_UNDS,KC_DLR,                 KC_HASH,OS_CMD, OS_CTRL,OS_ALT, OS_SHFT,
+        KC_PLUS,KC_PIPE,KC_AT,  KC_SLSH,KC_PERC,XXXXXXX,XXXXXXX,KC_AMPR,KC_BSLS,OS_RALT,KC_QUES,KC_EXLM,
         XXXXXXX,XXXXXXX,XXXXXXX,_______,_______,XXXXXXX,XXXXXXX,_______,_______,XXXXXXX,XXXXXXX,XXXXXXX
     ),
 
     [NAV] = LAYOUT(
-        KC_TAB, XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,                RESET,  KC_CAPS,XXXXXXX,XXXXXXX,RESET,
-        OS_SHFT,OS_CTRL,OS_ALT, OS_CMD, XXXXXXX,                KC_LEFT,KC_DOWN,KC_UP,  KC_RGHT,KC_BSPC,
-        XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,_______,_______,XXXXXXX,KC_PGDN,KC_PGUP,XXXXXXX,KC_ENT,
+        KC_TAB, XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,                RESET,  KC_CAPS,XXXXXXX,XXXXXXX,XXXXXXX,
+        OS_SHFT,OS_ALT, OS_CTRL,OS_CMD, XXXXXXX,                KC_LEFT,KC_DOWN,KC_UP,  KC_RGHT,KC_BSPC,
+        XXXXXXX,XXXXXXX,OS_RALT,XXXXXXX,KC_PSCR,XXXXXXX,XXXXXXX,XXXXXXX,KC_PGDN,KC_PGUP,XXXXXXX,KC_ENT,
         XXXXXXX,XXXXXXX,XXXXXXX,_______,_______,XXXXXXX,XXXXXXX,_______,_______,XXXXXXX,XXXXXXX,XXXXXXX
     ),
 
     [NUM] = LAYOUT(
         KC_1,   KC_2,   KC_3,   KC_4,   KC_5,                   KC_6,   KC_7,   KC_8,   KC_9,   KC_0,
-        OS_SHFT,OS_CTRL,OS_ALT, OS_CMD, KC_F11,                 KC_F12, OS_CMD, OS_ALT, OS_CTRL,OS_SHFT,
-        KC_F1,  KC_F2,  KC_F3,  KC_F4,  KC_F5,  _______,_______,KC_F6,  KC_F7,  KC_F8,  KC_F9,  KC_F10,
+        OS_SHFT,OS_ALT, OS_CTRL,OS_CMD, KC_F11,                 KC_F12, OS_CMD, OS_CTRL,OS_ALT, OS_SHFT,
+        KC_F1,  KC_F2,  KC_F3,  KC_F4,  KC_F5,  XXXXXXX,XXXXXXX,KC_F6,  KC_F7,  KC_F8,  KC_F9,  KC_F10,
         XXXXXXX,XXXXXXX,XXXXXXX,_______,_______,XXXXXXX,XXXXXXX,_______,_______,XXXXXXX,XXXXXXX,XXXXXXX
     )
 };
@@ -68,6 +69,7 @@ bool is_oneshot_ignored_key(uint16_t keycode) {
     case OS_SHFT:
     case OS_CTRL:
     case OS_ALT:
+    case OS_RALT:
     case OS_CMD:
         return true;
     default:
@@ -79,6 +81,7 @@ oneshot_state os_shft_state = os_up_unqueued;
 oneshot_state os_ctrl_state = os_up_unqueued;
 oneshot_state os_alt_state = os_up_unqueued;
 oneshot_state os_cmd_state = os_up_unqueued;
+oneshot_state os_ralt_state = os_up_unqueued;
 
 bool process_record_user(uint16_t keycode, keyrecord_t *record) {
     update_oneshot(
@@ -97,6 +100,10 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
         &os_cmd_state, KC_LCMD, OS_CMD,
         keycode, record
     );
+    update_oneshot(
+        &os_ralt_state, KC_RALT, OS_RALT,
+        keycode, record
+    );
 
     return true;
 }