diff --git a/src/request.rs b/src/request.rs
index cb2e163..f4b84da 100644
--- a/src/request.rs
+++ b/src/request.rs
@@ -44,7 +44,11 @@ impl fmt::Display for Request {
             let values = values.join(",");
             writeln!(f, "{}: {}", name, values)?;
         }
-        writeln!(f, "{}", String::from_utf8_lossy(&self.body))
+        if let Ok(body) = String::from_utf8(&self.body) {
+            writeln!(f, "{}", body)
+        } else {
+            writeln!(f, "Body size is {} bytes", self.body.len())
+        }
     }
 }