diff --git a/crates/ecstore/src/layout/endpoints.rs b/crates/ecstore/src/layout/endpoints.rs
index 4a349a980..d09afc4a5 100644
--- a/crates/ecstore/src/layout/endpoints.rs
+++ b/crates/ecstore/src/layout/endpoints.rs
@@ -1039,6 +1039,12 @@ mod test {
         assert!(is_retryable_dns_error(&Error::other("nodename nor servname provided, or not known")));
     }
 
+    #[test]
+    fn retryable_dns_error_accepts_resolver_raw_os_codes() {
+        assert!(is_retryable_dns_error(&Error::from_raw_os_error(-3)));
+        assert!(is_retryable_dns_error(&Error::from_raw_os_error(-2)));
+    }
+
     #[test]
     fn retryable_dns_error_rejects_configuration_errors() {
         assert!(!is_retryable_dns_error(&Error::new(