diff --git a/drivers/pnp/pnpbios/bioscalls.c b/drivers/pnp/pnpbios/bioscalls.c
index 5dba68fe33f5..a8364d815222 100644
--- a/drivers/pnp/pnpbios/bioscalls.c
+++ b/drivers/pnp/pnpbios/bioscalls.c
@@ -61,7 +61,7 @@ set_base(gdt[(selname) >> 3], (u32)(address)); \
 set_limit(gdt[(selname) >> 3], size); \
 } while(0)
 
-static struct desc_struct bad_bios_desc = { 0, 0x00409200 };
+static struct desc_struct bad_bios_desc;
 
 /*
  * At some point we want to use this stack frame pointer to unwind
@@ -477,6 +477,9 @@ void pnpbios_calls_init(union pnp_bios_install_struct *header)
 	pnp_bios_callpoint.offset = header->fields.pm16offset;
 	pnp_bios_callpoint.segment = PNP_CS16;
 
+	bad_bios_desc.a = 0;
+	bad_bios_desc.b = 0x00409200;
+
 	set_base(bad_bios_desc, __va((unsigned long)0x40 << 4));
 	_set_limit((char *)&bad_bios_desc, 4095 - (0x40 << 4));
 	for (i = 0; i < NR_CPUS; i++) {