@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2008-2021 Jonathan Schleifer <js@nil.im>
+ * Copyright (c) 2008-2022 Jonathan Schleifer <js@nil.im>
  *
  * All rights reserved.
  *
  * This file is part of ObjFW. It may be distributed under the terms of the
  * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
@@ -61,11 +61,17 @@
 	[super dealloc];
 }
 
 - (OFString *)description
 {
-	return [OFString stringWithFormat:
-	    @"Failed to read or write %zu bytes from / to an object of type "
-	    @"%@: %@",
-	    _requestedLength, [_object class], OFStrError(_errNo)];
+	if (_errNo != 0)
+		return [OFString stringWithFormat:
+		    @"Failed to read or write %zu bytes from / to an object of "
+		    @"type %@: %@",
+		    _requestedLength, [_object class], OFStrError(_errNo)];
+	else
+		return [OFString stringWithFormat:
+		    @"Failed to read or write %zu bytes from / to an object of "
+		    @"type %@",
+		    _requestedLength, [_object class]];
 }
 @end