diff --git a/keyboard/ergodox/led.c b/keyboard/ergodox/led.c
index 55fb4ff3..7a2c4ebf 100644
--- a/keyboard/ergodox/led.c
+++ b/keyboard/ergodox/led.c
@@ -26,7 +26,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 void led_set(uint8_t usb_led)
 {
     // topmost - NumLock
-#ifdef INVERT_NUMLOCK
+#ifndef INVERT_NUMLOCK
     if (usb_led & (1<<USB_LED_NUM_LOCK)) {
         ergodox_right_led_1_on();
     } else {