1 files changed, 1 insertions, 1 deletions

diff --git a/src/assets.c b/src/assets.c
index 64a2265..f685a05 100644
--- a/src/assets.c
+++ b/src/assets.c
@@ -81,7 +81,7 @@ static const u32 note_name_sprites[] = {
     0xe0000000, 0xe0202020, 0x0e000000, 0x0e0a0e0a,
 };
 
-u32 ch_btn_sprite[] = {
+static const u32 ch_btn_sprite[] = {
     // CH1
     0x888e80ff, 0xff808e88,
     0xa1a100ff, 0xff00a9e1,