diff --git a/build.rs b/build.rs
index fce1c5b..bd4e93f 100644
--- a/build.rs
+++ b/build.rs
@@ -65,15 +65,15 @@ fn main() -> Result<(), Error> {
 
 	/* Make sysexits bindings depend only on core and use signed integers for
 	 * compatibility with Rust’s exit() implementation */
-  let bindings = Builder::default()
+	let bindings = Builder::default()
 		.use_core()
 		.default_macro_constant_type(MacroTypeVariation::Signed)
-    .header(header)
-    .parse_callbacks(Box::new(CargoCallbacks::new()))
-    .generate()
-    .map_err(|e| Error::other(e.to_string()))?;
+		.header(header)
+		.parse_callbacks(Box::new(CargoCallbacks::new()))
+		.generate()
+		.map_err(|e| Error::other(e.to_string()))?;
 
-  bindings.write_to_file(PathBuf::from("src/").join("lib.rs"))?;
+	bindings.write_to_file(PathBuf::from("src/").join("lib.rs"))?;
 
 	Ok(())
 }