diff --git a/firmware/application/tone_key.cpp b/firmware/application/tone_key.cpp
index 5b5aed6ff..ab8e11477 100644
--- a/firmware/application/tone_key.cpp
+++ b/firmware/application/tone_key.cpp
@@ -38,12 +38,12 @@ const tone_key_t tone_keys = {
 	{ "8 YB", 88.500 },
 	{ "9 ZZ", 91.500 },
 	{ "10 ZA", 94.800 },
-	{ "11 1ZB", 97.400 },
-	{ "12 21Z", 100.000 },
+	{ "11 ZB", 97.400 },
+	{ "12 1Z", 100.000 },
 	{ "13 1A", 103.500 },
 	{ "14 1B", 107.200 },
 	{ "15 2Z", 110.900 },
-	{ "16 2Z", 114.800 },
+	{ "16 2A", 114.800 },
 	{ "17 2B", 118.800 },
 	{ "18 3Z", 123.000 },
 	{ "19 3A", 127.300 },