diff --git a/drivers/ata.c b/drivers/ata.c
index 13e9889..f3d9ac8 100644
--- a/drivers/ata.c
+++ b/drivers/ata.c
@@ -19,7 +19,7 @@
 static void ATA_wait_BSY();
 static void ATA_wait_RDY();
 
-void read_sectors_ATA_PIO(uint32_t target_address, uint32_t LBA, uint8_t sector_count)
+void read_sectors_ATA_PIO(void* target_address, uint32_t LBA, uint8_t sector_count)
 {
     ATA_wait_BSY();
     port_byte_out(0x1F6, 0xE0 | ((LBA >> 24) & 0xF));
diff --git a/mbr.S b/mbr.S
index 42e5d60..20b5fe3 100644
--- a/mbr.S
+++ b/mbr.S
@@ -150,9 +150,9 @@ done:
 boot_drive:
     .byte 0
 banner:
-    .asciz "YABLOKO bootloader started\r\n"
+    .asciz "YABLOKO bootloader started\n\r"
 read_error:
-    .asciz "Read error\r\n"
+    .asciz "Read error\n\r"
 
     .balign 2
 entry: