diff --git a/usb-driver.c b/usb-driver.c
index 890e494..853c38c 100644
--- a/usb-driver.c
+++ b/usb-driver.c
@@ -258,6 +258,9 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
 #if 0
 			{
 				struct card_register* cr = (struct card_register*)(wdheader->data);
+#ifndef NO_WINDRVR
+				ret = (*ioctl_func) (fd, request, wdioctl);
+#endif
 			}
 #endif
 			DPRINTF("CARD_REGISTER\n");
@@ -528,6 +531,13 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
 #endif
 			break;
 
+		case MULTI_TRANSFER:
+			DPRINTF("MULTI_TRANSFER\n");
+#ifndef NO_WINDRVR
+			ret = (*ioctl_func) (fd, request, wdioctl);
+#endif
+			break;
+
 		case EVENT_UNREGISTER:
 			DPRINTF("EVENT_UNREGISTER\n");
 #ifndef NO_WINDRVR
diff --git a/usb-driver.h b/usb-driver.h
index cca83a5..1c8c779 100644
--- a/usb-driver.h
+++ b/usb-driver.h
@@ -1,6 +1,7 @@
 #define VERSION			0x910
 #define LICENSE			0x952
 #define TRANSFER		0x98c
+#define MULTI_TRANSFER		0x98d
 #define USB_TRANSFER		0x983
 #define EVENT_UNREGISTER	0x987
 #define INT_DISABLE		0x91f