diff --git a/oform/format/Document.js b/oform/format/Document.js
index 3d481c6..e54f23e 100644
--- a/oform/format/Document.js
+++ b/oform/format/Document.js
@@ -220,7 +220,11 @@
 	};
 	CDocument.prototype.toPkg = function(xmlPkg)
 	{
-	
+		let xmlWriter = xmlPkg.getXmlWriter();
+		let main = xmlPkg.addPart(AscCommon.openXml.Types.oformMain);
+		
+		xmlWriter.Seek(0);
+		main.part.setDataXml(this, xmlWriter);
 	};
 	CDocument.prototype.fromXml = function(reader)
 	{
@@ -291,7 +295,7 @@
 		
 		for (let fgIndex = 0, fgCount = this.FieldGroups.length; fgIndex < fgCount; ++fgIndex)
 		{
-			this.FieldsGroups[fgIndex].toXml(writer);
+			this.FieldGroups[fgIndex].toXml(writer);
 		}
 		
 		writer.WriteXmlNodeEnd("document");
diff --git a/oform/xml/XmlPackage.js b/oform/xml/XmlPackage.js
index 715cc15..0e382b0 100644
--- a/oform/xml/XmlPackage.js
+++ b/oform/xml/XmlPackage.js
@@ -51,7 +51,7 @@
 	{
 		let zip = this.zip;
 		let pkg = this;
-		zip.files.forEach(function(path)
+		zip.getPaths().forEach(function(path)
 		{
 			if (!path.endsWith("/"))
 			{
@@ -78,6 +78,10 @@
 	{
 		this.context = context;
 	};
+	XmlPackage.prototype.getXmlWriter = function()
+	{
+		return this.xmlWriter;
+	};
 	
 	//--------------------------------------------------------export----------------------------------------------------
 	AscOForm.XmlPackage = XmlPackage;