diff --git a/app/gui/oven_control/config.cpp b/app/gui/oven_control/config.cpp
index 718b576..eabf7bf 100644
--- a/app/gui/oven_control/config.cpp
+++ b/app/gui/oven_control/config.cpp
@@ -19,6 +19,7 @@
 #include "config1digitsetdlg.h"
 #include "configdutywashdlg.h"
 #include "fileprocessor.h"
+#include "backlight.h"
 
 using namespace Define;
 
@@ -155,6 +156,7 @@ bool Config::loadConfig(){
 
 void Config::applyConfig(){
     watcher.setDelay(configlist.items.set_auto_darkness.d32);
+    Backlight::set(configlist.items.backlight.d32);
 }
 
 Define::config_item Config::getConfigValue(Define::ConfigType idx){