diff --git a/src/main.rs b/src/main.rs
index c52490a..953abb6 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -241,9 +241,7 @@ fn run(args: Args) -> Result<()> {
     match args.subcommand {
         Some(SubCommand::Completions(completions)) => args::gen_completions(&completions),
         _ => {
-            let mut theme = Theme::new();
-            theme.columns = args.columns;
-
+            let theme = Theme { columns: args.columns, ..Default::default() };
             let delimiter = if args.base10 {
                 NumberFormat::Base10
             } else {
diff --git a/src/theme.rs b/src/theme.rs
index 46743f3..e395164 100644
--- a/src/theme.rs
+++ b/src/theme.rs
@@ -17,8 +17,8 @@ pub struct Theme {
     pub columns: Vec<ColumnType>,
 }
 
-impl Theme {
-    pub fn new() -> Self {
+impl Default for Theme {
+    fn default() -> Self {
         Self {
             char_bar_filled: named_char::HEAVY_BOX,
             char_bar_empty: named_char::HEAVY_DOUBLE_DASH,