diff --git a/src/encode.rs b/src/encode.rs
index 4f349d5..bbb0721 100644
--- a/src/encode.rs
+++ b/src/encode.rs
@@ -1,4 +1,4 @@
-use std::{io::{self, ErrorKind, Read, Write}, str};
+use std::{error::Error, fmt, io::{self, ErrorKind, Read, Write}, str};
 
 #[derive(Default, Clone, Copy)]
 pub enum Style {
@@ -12,6 +12,14 @@ pub enum Style {
 #[derive(Debug)]
 pub struct ParseStyleError;
 
+impl fmt::Display for ParseStyleError {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "{self:?}")
+    }
+}
+
+impl Error for ParseStyleError {}
+
 impl str::FromStr for Style {
     type Err = ParseStyleError;