diff --git a/platformio.ini b/platformio.ini
index fef21bc8..326c7073 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -50,7 +50,7 @@ board_build.f_flash = 80000000L
 board_build.flash_mode = qio
 build_flags = ${common.build_flags}
 src_filter =
-    +<*.h> +<*.s> +<*.S> +<*.cpp> +<*.c> +<*.ino> +<src/> +<*/*.cpp>
+    +<*.h> +<*.s> +<*.S> +<*.cpp> +<*.c> +<*.ino> +<src/>
     -<.git/> -<data/> -<test/> -<tests/> -<Custom/>
 
 [env:release]