diff --git a/platformio_override_sample.ini b/platformio_override_sample.ini
index 0d693b7b0..f1af6d4b7 100644
--- a/platformio_override_sample.ini
+++ b/platformio_override_sample.ini
@@ -235,6 +235,7 @@ board_build.partitions  = esp32_partition_app1984k_spiffs64k.csv
 board_build.flash_mode  = ${common.board_build.flash_mode}
 board_build.f_cpu       = ${common.board_build.f_cpu}
 build_unflags           = ${common.build_unflags}
+    -Wpointer-arith 
 monitor_speed           = ${common.monitor_speed}
 upload_port             = ${common.upload_port}
 upload_resetmethod      = ${common.upload_resetmethod}