@@ -30,10 +30,11 @@
 @interface OFDeleteWindowsRegistryKeyFailedException: OFException
 {
 	OFWindowsRegistryKey *_registryKey;
 	OFString *_subkeyPath;
 	LSTATUS _status;
+	OF_RESERVE_IVARS(OFDeleteWindowsRegistryKeyFailedException, 4)
 }
 
 /**
  * @brief The registry key on which deleting the subkey failed.
  */