diff --git a/src/libs/ifc/xml/vabstractconverter.cpp b/src/libs/ifc/xml/vabstractconverter.cpp
index 4fa5dd5cf..9b6e2bde4 100644
--- a/src/libs/ifc/xml/vabstractconverter.cpp
+++ b/src/libs/ifc/xml/vabstractconverter.cpp
@@ -84,7 +84,6 @@ QString VAbstractConverter::Convert()
         const QString errorMsg(tr("Error openning a temp file file: %1.").arg(m_tmpFile.errorString()));
         throw VException(errorMsg);
     }
-    m_tmpFile.close();
 
     m_ver < MaxVer() ? ApplyPatches() : DowngradeToCurrentMaxVersion();
 
@@ -256,23 +255,6 @@ Q_NORETURN void VAbstractConverter::InvalidVersion(int ver) const
     throw VException(errorMsg);
 }
 
-//---------------------------------------------------------------------------------------------------------------------
-bool VAbstractConverter::SaveDocument(const QString &fileName, QString &error) const
-{
-    try
-    {
-        TestUniqueId();
-    }
-    catch (const VExceptionWrongId &e)
-    {
-        Q_UNUSED(e)
-        error = tr("Error no unique id.");
-        return false;
-    }
-
-    return VDomDocument::SaveDocument(fileName, error);
-}
-
 //---------------------------------------------------------------------------------------------------------------------
 void VAbstractConverter::ValidateInputFile(const QString &currentSchema) const
 {
@@ -311,12 +293,28 @@ void VAbstractConverter::ValidateInputFile(const QString &currentSchema) const
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-void VAbstractConverter::Save() const
+void VAbstractConverter::Save()
 {
-    QString error;
-    if (SaveDocument(m_convertedFileName, error) == false)
+    try
     {
-        VException e(error);
+        TestUniqueId();
+    }
+    catch (const VExceptionWrongId &e)
+    {
+        Q_UNUSED(e)
+        VException ex(tr("Error no unique id."));
+        throw ex;
+    }
+
+    m_tmpFile.resize(0);//clear previous content
+    const int indent = 4;
+    QTextStream out(&m_tmpFile);
+    out.setCodec("UTF-8");
+    save(out, indent);
+
+    if (not m_tmpFile.flush())
+    {
+        VException e(m_tmpFile.errorString());
         throw e;
     }
 }
diff --git a/src/libs/ifc/xml/vabstractconverter.h b/src/libs/ifc/xml/vabstractconverter.h
index 1943c3638..8872b7f1c 100644
--- a/src/libs/ifc/xml/vabstractconverter.h
+++ b/src/libs/ifc/xml/vabstractconverter.h
@@ -53,8 +53,7 @@ public:
     explicit VAbstractConverter(const QString &fileName);
     virtual ~VAbstractConverter() Q_DECL_OVERRIDE;
 
-    QString      Convert();
-    virtual bool SaveDocument(const QString &fileName, QString &error) const Q_DECL_OVERRIDE;
+    QString Convert();
 
     static int GetVersion(const QString &version);
 
@@ -62,10 +61,9 @@ protected:
     int     m_ver;
     QString m_convertedFileName;
 
-
     void ValidateInputFile(const QString &currentSchema) const;
     Q_NORETURN void InvalidVersion(int ver) const;
-    void Save() const;
+    void Save();
     void SetVersion(const QString &version);
 
     virtual int     MinVer() const =0;