diff --git a/src/perl/make_pardialog_source.pl b/src/perl/make_pardialog_source.pl
--- a/src/perl/make_pardialog_source.pl
+++ b/src/perl/make_pardialog_source.pl
@@ -88,6 +88,30 @@ while (<parfile>) {
 
 
 print cppfile <<END_HEADER;
+/*
+ *
+ *  This file is part of the Virtual Leaf.
+ *
+ *  VirtualLeaf is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  VirtualLeaf is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with the Virtual Leaf.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *  Copyright 2010 Roeland Merks.
+ *
+ */
+
+// WARNING: This file is automatically generated by make_parameter_source.pl. Do not edit.
+// Do not edit. All edits will be discarded.
+
 #include "$basename.h"
 #include "parameter.h"
 #include <cstring>
@@ -96,6 +120,8 @@ print cppfile <<END_HEADER;
 #include <qlineedit.h>
 #include <qmessagebox.h>
 
+static const std::string _module_id("\$Id\$");
+
 ParameterDialog::ParameterDialog(QWidget *parent, const char *name, Qt::WindowFlags f) : QDialog(parent,name,false,f) {
     extern Parameter par;
 END_HEADER
@@ -265,6 +291,32 @@ print cppfile "}\n\n";
 
 open hfile, ">$basename.h";
 print hfile <<END_HEADER2;
+/*
+ *
+ *  \$Id\$
+ *
+ *  This file is part of the Virtual Leaf.
+ *
+ *  VirtualLeaf is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  VirtualLeaf is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with the Virtual Leaf.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *  Copyright 2010 Roeland Merks.
+ *
+ */
+
+// WARNING: This file is automatically generated by make_parameter_source.pl. Do not edit.
+// Do not edit. All edits will be discarded.
+
 #ifndef PARAMETER_DIALOG_H
 #define PARAMETER_DIALOG_H
 #include <qdialog.h>