diff --git a/src/var.rs b/src/var.rs
index 9b1451b..400e0d2 100644
--- a/src/var.rs
+++ b/src/var.rs
@@ -467,7 +467,9 @@ pub struct Preferences {
     pub third_person: bool,
     pub shadows_sun: bool,
     pub avatar: usize,
+    #[serde(default = "Preferences::default_light_amp")]
     pub light_amp: usize,        // 0-3
+    #[serde(default = "Preferences::default_flashlight_power")]
     pub flashlight_power: usize, // 0-2
     pub thruster_boost: usize,   // 0-2
 
@@ -476,6 +478,13 @@ pub struct Preferences {
 }
 
 impl Preferences {
+    pub fn default_light_amp() -> usize {
+        1
+    }
+    pub fn default_flashlight_power() -> usize {
+        2
+    }
+
     pub fn get_fullscreen_mode(&self) -> WindowMode {
         match self.fullscreen_mode.as_str() {
             "legacy" => WindowMode::Fullscreen,