diff --git a/firmware/apps/buggy.c b/firmware/apps/buggy.c
index d242274..52be93f 100644
--- a/firmware/apps/buggy.c
+++ b/firmware/apps/buggy.c
@@ -7,7 +7,7 @@
 #include <pentabug/music.h>
 
 inline uint16_t biased_random(uint8_t value) {
-	return value / 4 * (rand() & 7);
+	return value / 8 * (rand() & 7);
 }
 
 static void init(void) {
@@ -20,12 +20,12 @@ static void run(void) {
 
 	pentatonic_all_led_set(light >> 3);
 
-	motor_set(biased_random(light) > 0x50);
+	motor_set(biased_random(light) > 0x40);
 
 	led_set(RIGHT, biased_random(light) > 0x20);
 	led_set(LEFT, biased_random(light) > 0x20);
 
-	if(biased_random(light) > 0x70) {
+	if(biased_random(light) > 0x50) {
 		uint16_t tone = (biased_random(light) * 2) + 500;
 		set_note(tone, 0);
 	} else {