diff --git a/TODO b/TODO
index d890fbd..5d854d4 100644
--- a/TODO
+++ b/TODO
@@ -3,5 +3,3 @@ feat:
     command line interface
     proper config path handling
     more coloring options
-refactor:
-    remove weird RawConfig struct
diff --git a/src/config.rs b/src/config.rs
index e1afe8d..17eba1d 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -1,18 +1,12 @@
 use std::path::PathBuf;
-use serde::Deserialize;
+use serde::{Deserialize, Serialize};
 
-#[derive(Deserialize)]
-struct RawColors {
-    pub background: Option<u32>,
-    pub timeline: Option<u32>,
-    pub background_text: Option<u32>
-}
-
-#[derive(Clone)]
+#[derive(Serialize, Deserialize, Clone, Copy, PartialEq, Eq, Debug)]
+#[serde(default)]
 pub struct Colors {
     pub background: u32,
     pub timeline: u32,
-    pub background_text: u32
+    pub background_text: u32,
 }
 
 impl Default for Colors {
@@ -20,37 +14,21 @@ impl Default for Colors {
         Colors {
             background: 0xff_808080,
             timeline: 0xff_a9a9a9,
-            background_text: 0xff_000000
+            background_text: 0xff_000000,
         }
     }
 }
 
-impl From<RawColors> for Colors {
-    fn from(value: RawColors) -> Self {
-        let default_colors: Colors = Default::default();
-        Colors {
-            background: value.background.unwrap_or(default_colors.background),
-            timeline: value.timeline.unwrap_or(default_colors.timeline),
-            background_text: value.background_text.unwrap_or(default_colors.background_text),
-        }
-    }
-}
-
-#[derive(Deserialize)]
-struct RawConfig {
-    pub log_path: Option<PathBuf>,
-    pub colors: Option<RawColors>,
-    pub event_colors: Option<Vec<u32>>,
-    pub text_colors: Option<Vec<u32>>
-}
-
+#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
+#[serde(default)]
 pub struct Config {
     /// directory, where config is located
+    #[serde(skip)]
     pub conf_path: PathBuf,
     pub log_path: PathBuf,
     pub colors: Colors,
     pub event_colors: Vec<u32>,
-    pub text_colors: Vec<u32>
+    pub text_colors: Vec<u32>,
 }
 
 impl Default for Config {
@@ -98,24 +76,7 @@ impl Default for Config {
             log_path: PathBuf::from("./logs"),
             colors,
             event_colors,
-            text_colors
-        }
-    }
-}
-
-impl From<RawConfig> for Config {
-    fn from(value: RawConfig) -> Self {
-        let default_config: Config = Default::default();
-        let colors: Colors = match value.colors {
-            Some(raw_colors) => raw_colors.into(),
-            None => default_config.colors.clone()
-        };
-        Config {
-            conf_path: default_config.conf_path,
-            log_path: value.log_path.unwrap_or(default_config.log_path),
-            colors,
-            event_colors: value.event_colors.unwrap_or(default_config.event_colors.clone()),
-            text_colors: value.text_colors.unwrap_or(default_config.text_colors.clone())
+            text_colors,
         }
     }
 }
@@ -131,9 +92,7 @@ impl Config {
 
     pub fn load(path: PathBuf) -> Self {
         if let Ok(toml_string) = std::fs::read_to_string(path.clone()) {
-            let conf = toml::from_str::<RawConfig>(&toml_string);
-            if let Ok(raw_conf) = conf {
-                let mut conf: Config = raw_conf.into();
+            if let Ok(mut conf) = toml::from_str::<Config>(&toml_string) {
                 conf.conf_path = path.parent().unwrap().into();
                 return conf;
             }
diff --git a/src/log.rs b/src/log.rs
index 695f1a4..8f0bcbb 100644
--- a/src/log.rs
+++ b/src/log.rs
@@ -6,10 +6,10 @@ use serde::{Deserialize, Serialize};
 use toml::value::{Date, Time};
 use crate::config::Config;
 
-#[derive(Serialize, Deserialize, Debug)]
+#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, Eq)]
 pub struct Log {
     pub date: Date,
-    pub events: Vec<Event>
+    pub events: Vec<Event>,
 }
 
 impl Log {
@@ -64,12 +64,12 @@ impl Log {
     }
 }
 
-#[derive(Serialize, Deserialize, Clone, Debug)]
+#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Debug)]
 pub struct Event {
     pub name: String,
     pub start: Time,
     pub end: Time,
-    pub finished: bool
+    pub finished: bool,
 }
 
 impl Event {
diff --git a/src/main.rs b/src/main.rs
index 9797339..19f0011 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -238,15 +238,24 @@ fn main() -> Result<(), Box<dyn Error>> {
             let ui = ui_weak.unwrap();
             let prev_event_name = {
                 let log_guard = log.lock().expect("Log shouldn't be used twice");
-                let prev_index = log_guard.events.len() - 2;
-                log_guard.events
-                    .get(prev_index)
-                    .expect("Index is already checked")
-                    .name
-                    .clone()
+                match log_guard.events.len().checked_sub(2) {
+                    Some(prev_index) => {
+                        let prev_event = log_guard.events
+                            .get(prev_index)
+                            .expect("Index is already checked")
+                            .name
+                            .clone();
+                        Some(prev_event)
+                    },
+                    None => None,
+                }
             };
-            println!("{}", prev_event_name.as_str());
-            ui.set_previous_event_name(prev_event_name.to_shared_string());
+            if let Some(name) = prev_event_name {
+                println!("{name}");
+                ui.set_previous_event_name(name.to_shared_string());
+            } else {
+                ui.set_previous_event_name(SharedString::new());
+            }
         }
     });