diff --git a/drivers/staging/xgifb/vgatypes.h b/drivers/staging/xgifb/vgatypes.h
index 8702a7a78996ba982fe80e3746fd6ce5b647a657..df839eeb5efd0077536024f900010f3366915613 100644
--- a/drivers/staging/xgifb/vgatypes.h
+++ b/drivers/staging/xgifb/vgatypes.h
@@ -5,7 +5,7 @@
 #include <linux/ioctl.h>
 
 #ifndef VBIOS_VER_MAX_LENGTH
-#define VBIOS_VER_MAX_LENGTH    4
+#define VBIOS_VER_MAX_LENGTH    5
 #endif
 
 #ifndef XGI_VB_CHIP_TYPE