diff --git a/Makefile b/Makefile
index 81d418d..ba1ebf5 100644
--- a/Makefile
+++ b/Makefile
@@ -19,6 +19,10 @@ ifneq ($(EMULATOR),1)
 OBJS += timer.o
 endif
 
+OBJS += usb21_standard.o
+OBJS += webusb.o
+OBJS += winusb.o
+
 OBJS += gen/bitmaps.o
 OBJS += gen/fonts.o
 
diff --git a/webusb.h b/webusb.h
index f41695f..342408f 100644
--- a/webusb.h
+++ b/webusb.h
@@ -26,7 +26,6 @@
 #define WEBUSB_VENDOR_CODE 0x01
 
 extern const struct webusb_platform_descriptor webusb_platform_capability_descriptor;
-extern void webusb_setup(usbd_device* usbd_dev,
-							const char** https_urls, size_t num_https_urls);
+extern void webusb_setup(usbd_device* usbd_dev, const char* https_url);
 
 #endif