diff --git a/firmware/drivers/ata.c b/firmware/drivers/ata.c
index ee322be667..f1878231f9 100644
--- a/firmware/drivers/ata.c
+++ b/firmware/drivers/ata.c
@@ -90,7 +90,7 @@ static long last_user_activity = -1;
 long last_disk_activity = -1;
 
 static int multisectors; /* number of supported multisectors */
-static unsigned short identify_info[SECTOR_SIZE];
+static unsigned short identify_info[SECTOR_SIZE/2];
 
 #ifdef MAX_PHYS_SECTOR_SIZE
 struct sector_cache_entry {