diff --git a/platformio.ini b/platformio.ini
index 02190102..2e350f81 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -47,6 +47,7 @@ build_src_filter =
   +<*.cpp>
   +<helpers/*.cpp>
   +<helpers/radiolib/*.cpp>
+  +<helpers/ui/MomentaryButton.cpp>
 
 ; ----------------- ESP32 ---------------------