diff --git a/Makefile b/Makefile
index 40d047e..eb21e32 100644
--- a/Makefile
+++ b/Makefile
@@ -23,11 +23,8 @@ LDFLAGS = -mregparmcall -Wl,--gc-sections -Os -nostdlib -flto
 	ia16-elf-objcopy -O binary $< $@
 
 bootsectors = fat12boot.bin wozmon.bin
-
 $(bootsectors):
 	ia16-elf-objcopy -O binary $< $@
-	truncate -s 510 $@
-	printf "\125\252" >> $@
 
 fat12boot.elf: fat12boot.o fat12.o bootsect.S
 fat12boot.elf: LDFLAGS += -T bootsect.ld
diff --git a/bootsect.ld b/bootsect.ld
index d9546fd..a215f64 100644
--- a/bootsect.ld
+++ b/bootsect.ld
@@ -17,4 +17,9 @@ SECTIONS {
     .data : {
         *(.data)
     }
+
+    . = 0x7dfe;
+    .magic : {
+        SHORT(0xAA55);
+    }
 }