diff --git a/rama-http-backend/src/client/proxy/layer/proxy_connector/proxy_error.rs b/rama-http-backend/src/client/proxy/layer/proxy_connector/proxy_error.rs
index c732cdf6..a9752127 100644
--- a/rama-http-backend/src/client/proxy/layer/proxy_connector/proxy_error.rs
+++ b/rama-http-backend/src/client/proxy/layer/proxy_connector/proxy_error.rs
@@ -59,7 +59,7 @@ impl std::error::Error for HttpProxyError {
                 // but do allow custom errors (e.g. because IP is blocked)
                 let err_ref = err.source().unwrap_or_else(|| err.as_ref());
                 if err_ref.is::<std::io::Error>() {
-                    None
+                    Some(self)
                 } else {
                     Some(err_ref)
                 }