diff --git a/RAMDRIVE.ASM b/RAMDRIVE.ASM
index fda7216..eaddfea 100644
--- a/RAMDRIVE.ASM
+++ b/RAMDRIVE.ASM
@@ -63,7 +63,7 @@ FNDRD	PUSH	BC
 
 	LD	HL,BPB                                                  ;boot sector [512Bytes]
 	LD	DE,#C000
-	LD	BC,BPBEND-BPB
+	LD	BC,BPB.Size
 	LDIR 
         
 	LD	HL,#AA55
@@ -259,6 +259,6 @@ BPB	DB	#EB,#3C,#90 ; +00 JMP
 	DW	#104B,#D765     ; +27 SERIAL VOLUME NUMBER
 	DB	"NO NAME    "   ; +2B DISK LABEL
 	DB	"FAT12"         ; +36 FAT ID
-BPBEND
+.Size	$-BPB
 ;	DEFS	453,0
 ; end boot sector
diff --git a/Shared_Includes b/Shared_Includes
index cc0bf0d..51198ce 160000
--- a/Shared_Includes
+++ b/Shared_Includes
@@ -1 +1 @@
-Subproject commit cc0bf0dfac766dd97e7a5441b523034921cf3830
+Subproject commit 51198ce44bd19f511b63e6fafaf91b3de5470f9d