@@ -98,15 +98,15 @@
 	return [self retain];
 }
 
 - mutableCopy
 {
-	return [OFMutablePair pairWithFirstObject: _firstObject
-				     secondObject: _secondObject];
+	return [[OFMutablePair alloc] initWithFirstObject: _firstObject
+					     secondObject: _secondObject];
 }
 
 - (OFString *)description
 {
 	return [OFString stringWithFormat: @"<<%@, %@>>",
 					   _firstObject, _secondObject];
 }
 @end