Index: src/core/qgsvectorfilewriter.cpp
===================================================================
--- src/core/qgsvectorfilewriter.cpp	(Revision 12258)
+++ src/core/qgsvectorfilewriter.cpp	(Arbeitskopie)
@@ -98,6 +98,27 @@
   QString layerName = shapefileName.left( shapefileName.indexOf( ".shp" ) );
   OGRwkbGeometryType wkbType = static_cast<OGRwkbGeometryType>( geometryType );
   mLayer = OGR_DS_CreateLayer( mDS, QFile::encodeName( layerName ).data(), ogrRef, wkbType, NULL );
+  
+   
+  //if it is a shapefile, ogr gives a wrong (esri style like) prj file back, which is missing the towgs84 parameter
+  //so we just overwrite it with a correct one
+  if(driverName == "ESRI Shapefile"){
+    QRegExp regExp( ".shp$" );
+    QString prjName = shapefileName;
+    prjName.replace( regExp, QString( "" ) );
+    prjName.append( QString( ".prj" ) );
+    QFile prjFile( prjName );
+  
+    if ( !prjFile.open( QIODevice::WriteOnly ) )
+    {
+      QgsDebugMsg( "Couldn't open file " + prjName );
+    }
+    else{
+      QTextStream prjStream( & prjFile );
+      prjStream << srs->toWkt().toLocal8Bit().data() << endl;
+      prjFile.close();
+    }
+  }
 
   if ( srs )
   {