diff --git a/tmux-lib/src/pane_id.rs b/tmux-lib/src/pane_id.rs
index b21fae2..b6b7645 100644
--- a/tmux-lib/src/pane_id.rs
+++ b/tmux-lib/src/pane_id.rs
@@ -58,7 +58,7 @@ pub(crate) mod parse {
 
     pub(crate) fn pane_id(input: &str) -> IResult<&str, PaneId> {
         let (input, digit) = preceded(char('%'), digit1)(input)?;
-        let id = format!("%{}", digit);
+        let id = format!("%{digit}");
         Ok((input, PaneId(id)))
     }
 }
diff --git a/tmux-lib/src/server.rs b/tmux-lib/src/server.rs
index 3905929..cea8f20 100644
--- a/tmux-lib/src/server.rs
+++ b/tmux-lib/src/server.rs
@@ -85,7 +85,7 @@ pub async fn default_command() -> Result<String> {
         .map(|cmd| cmd.to_owned())
         .map(|cmd| {
             if cmd.ends_with("bash") {
-                format!("-l {}", cmd)
+                format!("-l {cmd}")
             } else {
                 cmd
             }
diff --git a/tmux-lib/src/session_id.rs b/tmux-lib/src/session_id.rs
index f773912..a076032 100644
--- a/tmux-lib/src/session_id.rs
+++ b/tmux-lib/src/session_id.rs
@@ -45,7 +45,7 @@ pub(crate) mod parse {
 
     pub fn session_id(input: &str) -> IResult<&str, SessionId> {
         let (input, digit) = preceded(char('$'), digit1)(input)?;
-        let id = format!("${}", digit);
+        let id = format!("${digit}");
         Ok((input, SessionId(id)))
     }
 }
diff --git a/tmux-lib/src/window_id.rs b/tmux-lib/src/window_id.rs
index 623bbda..fa16c84 100644
--- a/tmux-lib/src/window_id.rs
+++ b/tmux-lib/src/window_id.rs
@@ -46,7 +46,7 @@ pub(crate) mod parse {
 
     pub(crate) fn window_id(input: &str) -> IResult<&str, WindowId> {
         let (input, digit) = preceded(char('@'), digit1)(input)?;
-        let id = format!("@{}", digit);
+        let id = format!("@{digit}");
         Ok((input, WindowId(id)))
     }
 }