diff --git a/src/kaleidoscope/plugin/LEDControl.h b/src/kaleidoscope/plugin/LEDControl.h
index 388f0f96..99ba7a0c 100644
--- a/src/kaleidoscope/plugin/LEDControl.h
+++ b/src/kaleidoscope/plugin/LEDControl.h
@@ -27,7 +27,7 @@
 
 #endif
 
-#define LED_TOGGLE   B00000001  // Synthetic, internal
+#define LED_TOGGLE   0b00000001  // Synthetic, internal
 
 #define Key_LEDEffectNext Key(0, KEY_FLAGS | SYNTHETIC | IS_INTERNAL | LED_TOGGLE)
 #define Key_LEDEffectPrevious Key(1, KEY_FLAGS | SYNTHETIC | IS_INTERNAL | LED_TOGGLE)