diff --git a/src/util/error.rs b/src/util/error.rs
index 6de8ff7..b6c4130 100644
--- a/src/util/error.rs
+++ b/src/util/error.rs
@@ -43,7 +43,7 @@ impl fmt::Display for ErrorLocation {
     }
 }
 
-pub type Result<T> = std::result::Result<T, Error>;
+pub type Result<T, E = Error> = std::result::Result<T, E>;
 
 #[derive(Debug, Clone, Deserialize, Serialize, thiserror::Error)]
 pub struct Error {