@@ -25,10 +25,11 @@
  *	  protocol is not supported.
  */
 @interface OFUnsupportedVersionException: OFException
 {
 	OFString *_version;
+	OF_RESERVE_IVARS(OFUnsupportedVersionException, 4)
 }
 
 /**
  * @brief The version which is unsupported.
  */