diff --git a/samples/boards/intel_s1000_crb/audio/src/usb_transport.c b/samples/boards/intel_s1000_crb/audio/src/usb_transport.c
index 7246d6599d0..39a8c8fdaa0 100644
--- a/samples/boards/intel_s1000_crb/audio/src/usb_transport.c
+++ b/samples/boards/intel_s1000_crb/audio/src/usb_transport.c
@@ -101,7 +101,7 @@ int usb_transport_init(usb_transport_receive_callback_t callback)
 	ret = usb_enable(NULL);
 	if (ret != 0) {
 		LOG_ERR("Failed to enable USB");
-		return;
+		return -EIO;
 	}
 
 	/* initialize USB interface and HID class */