diff --git a/AMDiS/src/Mesh.h b/AMDiS/src/Mesh.h
index 2c9ae1ebb93176d80e3c7cf19907f3b4e1c754a8..122a4019945edd3d0a5446a802af3789ef656d84 100644
--- a/AMDiS/src/Mesh.h
+++ b/AMDiS/src/Mesh.h
@@ -911,6 +911,7 @@ namespace AMDiS {
     friend struct io::MacroWriter;
     friend class MacroElement;
     friend class Element;
+    friend class MeshRestriction;
   };
 
 }
diff --git a/AMDiS/src/SystemVector.h b/AMDiS/src/SystemVector.h
index 1ac301ea9054d3deed0ffdcbf7236c1a752229fb..afcc5323fc638412a2b2b72442560042fc3424bc 100644
--- a/AMDiS/src/SystemVector.h
+++ b/AMDiS/src/SystemVector.h
@@ -55,7 +55,8 @@ namespace AMDiS {
     SystemVector(const SystemVector& rhs)
       : name(rhs.getName()),
 	componentSpaces(rhs.getFeSpaces()),
-	vectors(rhs.getNumVectors())
+	vectors(rhs.getNumVectors()),
+	createVec(true)
     {
       for (unsigned int i = 0; i < vectors.size(); i++)
 	vectors[i] = new DOFVector<double>(*rhs.getDOFVector(i));