diff --git a/Firmware/platformio.ini b/Firmware/platformio.ini
index 8159d8b3..c52f8fdb 100644
--- a/Firmware/platformio.ini
+++ b/Firmware/platformio.ini
@@ -3,7 +3,7 @@ platform = atmelavr
 board = leonardo
 board_build.f_cpu = 16000000L
 
-src_filter =
+build_src_filter =
     +<*.cpp> +<*.c>
     +<usbd/*.cpp> +<usbd/*.c>
     +<usbh/*.cpp> +<usbh/*.c>