1 files changed, 2 insertions, 2 deletions

diff --git a/firmware/export/ata.h b/firmware/export/ata.h
index 213d3e5b8b..06de33a8f2 100644
--- a/firmware/export/ata.h
+++ b/firmware/export/ata.h
@@ -42,8 +42,8 @@ extern int ata_hard_reset(void);
 extern int ata_soft_reset(void);
 extern int ata_init(void);
 extern int ata_read_sectors(unsigned long start, int count, void* buf);
-extern int ata_write_sectors(unsigned long start, int count, void* buf);
-extern void ata_delayed_write(unsigned long sector, void* buf);
+extern int ata_write_sectors(unsigned long start, int count, const void* buf);
+extern void ata_delayed_write(unsigned long sector, const void* buf);
 extern void ata_flush(void);
 extern void ata_spin(void);
 extern unsigned short* ata_get_identify(void);