1 files changed, 8 insertions, 1 deletions
diff --git a/crates/nres/src/error.rs b/crates/nres/src/error.rs
index 0a4dbbe..9a3c651 100644
--- a/crates/nres/src/error.rs
+++ b/crates/nres/src/error.rs
@@ -100,4 +100,11 @@ impl fmt::Display for Error {
     }
 }
 
-impl std::error::Error for Error {}
+impl std::error::Error for Error {
+    fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
+        match self {
+            Self::Io(err) => Some(err),
+            _ => None,
+        }
+    }
+}