diff --git a/boot/fat.asm b/boot/fat.asm
index 7abafa5..85dabf5 100644
--- a/boot/fat.asm
+++ b/boot/fat.asm
@@ -24,6 +24,7 @@ params:		times bpb_size db 0
 init:		xor ax, ax
 		mov ss, ax
 		mov sp, stack
+		push sp
 
 		; save potential partition table entry
 		push ds
@@ -194,7 +195,7 @@ loadclus:	lodsw
 .jump:		mov dl, [bp+bpb.drivenum]
 		pop si
 		pop ds
-		jmp 0x7C00
+		ret
 
 err_not_found:
 hlt:		hlt
@@ -203,4 +204,3 @@ hlt:		hlt
 		times (0x1F3 - ($-$$)) db 0
 filename:	db "KERNEL  ", "BS "
 		dw 0xAA55
-buf: