diff --git a/compile-with-docker-all.sh b/compile-with-docker-all.sh
index a3c9459..489eefe 100755
--- a/compile-with-docker-all.sh
+++ b/compile-with-docker-all.sh
@@ -35,9 +35,9 @@ voxless() {
         ENABLE_AIRCOPY=0 \
         ENABLE_AUDIO_BAR=0 \
         ENABLE_FEAT_F4HWN_SPECTRUM=0 \
-        ENABLE_FEAT_F4HWN_SLEEP=1 \
         ENABLE_NOAA=0 \
         ENABLE_FEAT_F4HWN_RESTORE_SCAN=0 \
+        ENABLE_FEAT_F4HWN_CHARGING_C=0 \
         TARGET=f4hwn.voxless \
         && cp f4hwn.voxless* compiled-firmware/"
 }
diff --git a/driver/backlight.c b/driver/backlight.c
index 997b388..32f5f5b 100644
--- a/driver/backlight.c
+++ b/driver/backlight.c
@@ -104,11 +104,15 @@ void BACKLIGHT_TurnOn(void)
 
 #ifdef ENABLE_FEAT_F4HWN
     if(gK5startup == true) {
-        for(uint8_t i = 0; i <= gEeprom.BACKLIGHT_MAX; i++)
-        {
-            BACKLIGHT_SetBrightness(i);
-            SYSTEM_DelayMs(50);
-        }
+        #if defined(ENABLE_FMRADIO) && defined(ENABLE_SPECTRUM)
+            BACKLIGHT_SetBrightness(gEeprom.BACKLIGHT_MAX);
+        #else
+            for(uint8_t i = 0; i <= gEeprom.BACKLIGHT_MAX; i++)
+            {
+                BACKLIGHT_SetBrightness(i);
+                SYSTEM_DelayMs(50);
+            }
+        #endif
 
         BACKLIGHT_Sound();
     }