diff --git a/src/main.rs b/src/main.rs
index e121f4e3801d8f4fab02c4bde8544c9957ee79db..d00a9fd58cfe0efd033e45ed5978e37e05a9c604 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -624,7 +624,9 @@ impl Output {
 
     fn write_err(&mut self, msg: &str) {
         if self.include_stderr {
-            write!(self, "{}", msg).unwrap();
+            if write!(self, "{}", msg).is_err() {
+                write!(std::io::stderr(), "{}", msg).unwrap();
+            }
         } else {
             write!(std::io::stderr(), "{}", msg).unwrap();
         }