diff --git a/radio/src/targets/taranis/CMakeLists.txt b/radio/src/targets/taranis/CMakeLists.txt
index d31e2e1a8..aa723a0e5 100644
--- a/radio/src/targets/taranis/CMakeLists.txt
+++ b/radio/src/targets/taranis/CMakeLists.txt
@@ -107,6 +107,7 @@ elseif(PCB STREQUAL X9LITE)
   add_definitions(-DBOARD_NAME="x9lite")
   add_definitions(-DPCBX9LITE -DPCBX9 -DSOFTWARE_VOLUME -DHARDWARE_POWER_CONTROL_CHIP)
   add_definitions(-DEEPROM_VARIANT=0x0800)
+  add_definitions(-DPWR_BUTTON_${PWR_BUTTON})
   set(PXX2 ON)
   set(GUI_DIR 128x64)
   set(NAVIGATION_TYPE x7)