diff --git a/examples/device/webusb_serial/src/CMakeLists.txt b/examples/device/webusb_serial/src/CMakeLists.txt
new file mode 100644
index 000000000..cef2b46ee
--- /dev/null
+++ b/examples/device/webusb_serial/src/CMakeLists.txt
@@ -0,0 +1,4 @@
+# This file is for ESP-IDF only
+idf_component_register(SRCS "main.c" "usb_descriptors.c"
+                    INCLUDE_DIRS "."
+                    REQUIRES boards tinyusb_src)