diff --git a/src/lib.rs b/src/lib.rs
index 13192d5..071f40d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -154,6 +154,9 @@ impl std::fmt::Display for ParseError {
 	}
 }
 
+#[cfg(feature = "std")]
+impl std::error::Error for ParseError {}
+
 #[cfg(feature = "std")]
 impl From<Ss58AddressFormat> for String {
 	fn from(x: Ss58AddressFormat) -> String {