diff --git a/usb-linux.c b/usb-linux.c
index 1ecfbc4565..d0d7cff496 100644
--- a/usb-linux.c
+++ b/usb-linux.c
@@ -846,6 +846,9 @@ static int usb_linux_update_endp_table(USBHostDevice *s)
             case 0x03:
                 type = USBDEVFS_URB_TYPE_INTERRUPT;
                 break;
+            default:
+                DPRINTF("usb_host: malformed endpoint type\n");
+                type = USBDEVFS_URB_TYPE_BULK;
             }
             s->endp_table[(devep & 0xf) - 1].type = type;
             s->endp_table[(devep & 0xf) - 1].halted = 0;