diff --git a/rustfmt.toml b/rustfmt.toml
new file mode 100644
index 0000000..23fc248
--- /dev/null
+++ b/rustfmt.toml
@@ -0,0 +1,2 @@
+edition = "2018"
+tab_spaces = 2
diff --git a/src/lib.rs b/src/lib.rs
index b100cd8..b28d536 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -5,19 +5,19 @@ use std::process::{Command, Stdio};
 /// Formats the sum of two numbers as string.
 #[pyfunction]
 fn get_ffmpeg_info() -> PyResult<String> {
-    let mut cmd = Command::new("ffmpeg");
+  let mut cmd = Command::new("ffmpeg");
 
-    cmd.stderr(Stdio::piped());
+  cmd.stderr(Stdio::piped());
 
-    let output = String::from_utf8(cmd.output().unwrap().stderr).unwrap();
+  let output = String::from_utf8(cmd.output().unwrap().stderr).unwrap();
 
-    Ok(output)
+  Ok(output)
 }
 
 /// A Python module implemented in Rust.
 #[pymodule]
-fn av1an(_py: Python, m: &PyModule) -> PyResult<()> {
-    m.add_function(wrap_pyfunction!(get_ffmpeg_info, m)?)?;
+fn av1an_rust(_py: Python, m: &PyModule) -> PyResult<()> {
+  m.add_function(wrap_pyfunction!(get_ffmpeg_info, m)?)?;
 
-    Ok(())
+  Ok(())
 }