diff --git a/src/arch/i386/Makefile.pcbios b/src/arch/i386/Makefile.pcbios
index d4044567..ff555593 100644
--- a/src/arch/i386/Makefile.pcbios
+++ b/src/arch/i386/Makefile.pcbios
@@ -31,7 +31,7 @@ MEDIA		+= exe
 #
 PAD_rom		= $(PADIMG) --blksize=512 --byte=0xff $@
 PAD_dsk		= $(PADIMG) --blksize=512 $@
-PAD_hd		= $(PADIMG) --blksize=512 $@
+PAD_hd		= $(PADIMG) --blksize=32768 $@
 
 # rule to make a non-emulation ISO boot image
 NON_AUTO_MEDIA	+= iso