diff --git a/firmware/apps/mariotheme.c b/firmware/apps/mariotheme.c
index 5868163..19a5211 100644
--- a/firmware/apps/mariotheme.c
+++ b/firmware/apps/mariotheme.c
@@ -14,7 +14,7 @@ static uint8_t row;
 
 
 enum {
-	NOTE_LENGTH = 600,
+	NOTE_LENGTH = 550,
 	DUTY = 0xf000,
 	xxx = 0,
 	g_0, gs0, a_0, as0, b_0,
@@ -76,10 +76,13 @@ const int patterns[][3][48] PROGMEM = {
 
 const uint16_t freq[] PROGMEM = {
 	0,
-	412, 436, 462, 489, 518, 549, 582, 617, 653, 692, 733, 777,
-	823, 872, 924, 979, 1037, 1099, 1164, 1233, 1306, 1384, 1466,
-	1554, 1646, 1744, 1848, 1957, 2074, 2197, 2328, 2466, 2613,
-	2768, 2933, 3107, 3292, 3488, 3695, 3915, 4148, 4394
+	653, 692, 733, 777, 823, 872,
+	924, 979, 1037, 1099, 1164, 1233,
+	1306, 1384, 1466, 1554, 1646, 1744,
+	1848, 1957, 2074, 2197, 2328, 2466,
+	2613, 2768, 2933, 3107, 3292, 3488,
+	3695, 3915, 4148, 4394, 4656, 4933,
+	5226, 5537, 5866, 6215, 6584, 6976
 };