diff --git a/radio/src/CMakeLists.txt b/radio/src/CMakeLists.txt
index 15230113d..53166a85c 100644
--- a/radio/src/CMakeLists.txt
+++ b/radio/src/CMakeLists.txt
@@ -36,6 +36,7 @@ if(SDL_FOUND)
   option(SIMU_AUDIO "Enable simulator audio." ON)
 endif()
 option(LUA "Enable LUA support" ON)
+option(LUA_MIXER "Enable LUA mixer/model scripts support" OFF)
 option(SIMU_DISKIO "Enable disk IO simulation in simulator. Simulator will use FatFs module and simulated IO layer that  uses \"./sdcard.image\" file as image of SD card. This file must contain whole SD card from first to last sector" OFF)
 option(SIMU_LUA_COMPILER "Pre-compile and save Lua scripts in simulator." ON)
 option(FAS_PROTOTYPE "Support of old FAS prototypes (different resistors)" OFF)