diff --git a/platformio_override_sample.ini b/platformio_override_sample.ini
index f85ce989f..2becf05f7 100644
--- a/platformio_override_sample.ini
+++ b/platformio_override_sample.ini
@@ -170,6 +170,7 @@ board                   = esp32dev
 board_build.ldscript    = esp32_out.ld
 board_build.partitions  = esp32_partition_app1984k_spiffs64k.csv
 board_build.flash_mode  = ${common.board_build.flash_mode}
+board_build.f_flash     = ${common.board_build.f_flash}
 board_build.f_cpu       = ${common.board_build.f_cpu}
 build_unflags           = ${common.build_unflags}
                           -Wpointer-arith