@@ -1269,11 +1269,11 @@
 	}
 
 	return stringLength + 1;
 }
 
-- (size_t)writeFormat: (OFString*)format, ...
+- (size_t)writeFormat: (OFConstantString*)format, ...
 {
 	va_list arguments;
 	size_t ret;
 
 	va_start(arguments, format);
@@ -1282,11 +1282,11 @@
 	va_end(arguments);
 
 	return ret;
 }
 
-- (size_t)writeFormat: (OFString*)format
+- (size_t)writeFormat: (OFConstantString*)format
 	withArguments: (va_list)arguments
 {
 	char *cString;
 	int length;