diff --git a/FDTD/operator_cylinder.cpp b/FDTD/operator_cylinder.cpp
index e5f3bd3..6d975e9 100644
--- a/FDTD/operator_cylinder.cpp
+++ b/FDTD/operator_cylinder.cpp
@@ -367,6 +367,8 @@ Grid_Path Operator_Cylinder::FindPath(double start[], double stop[])
 	if (ret==0)
 	{
 		TransformCoordSystem(intersect,intersect,CARTESIAN,m_MeshType);
+		intersect[1] = GetDiscLine(1,GetNumberOfLines(1,true)-1-(int)CC_closedAlpha);
+		l_start[1] = FitToAlphaRange(l_start[1]);
 		path1 = Operator::FindPath(l_start, intersect);
 		if (g_settings.GetVerboseLevel()>2)
 			cerr << __func__ << ": Intersection top: " << intersect[0] << "," << intersect[1] << "," << intersect[2] << endl;
@@ -396,6 +398,8 @@ Grid_Path Operator_Cylinder::FindPath(double start[], double stop[])
 
 	if (ret==0)
 	{
+		intersect[1] = GetDiscLine(1,0);
+		l_stop[1] = FitToAlphaRange(l_stop[1]);
 		path2 = Operator::FindPath(intersect, l_stop);
 		if (g_settings.GetVerboseLevel()>2)
 			cerr << __func__ << ": Intersection bottom: " << intersect[0] << "," << intersect[1] << "," << intersect[2] << endl;
@@ -417,6 +421,13 @@ Grid_Path Operator_Cylinder::FindPath(double start[], double stop[])
 		path.dir.push_back(path2.dir.at(t));
 	}
 
+	if (CC_closedAlpha==true)
+		for (size_t t=0; t<path.dir.size(); ++t)
+		{
+			if ( ((path.dir.at(t)==0) || (path.dir.at(t)==2)) && (path.posPath[1].at(t)==0))
+				path.posPath[1].at(t) = numLines[1]-2;
+		}
+
 	return path;
 }
 
diff --git a/FDTD/operator_cylindermultigrid.cpp b/FDTD/operator_cylindermultigrid.cpp
index 1d58061..8224417 100644
--- a/FDTD/operator_cylindermultigrid.cpp
+++ b/FDTD/operator_cylindermultigrid.cpp
@@ -278,7 +278,7 @@ void Operator_CylinderMultiGrid::DumpPEC2File( string filename, unsigned int *ra
 		range[2*n] = 0;
 		range[2*n+1] = numLines[n]-1;
 	}
-	range[0] = m_Split_Pos;
+	range[0] = m_Split_Pos-1;
 	Operator_Cylinder::DumpPEC2File(filename + "_S" + ConvertInt(m_MultiGridLevel), range);
 	delete[] range;
 	range=NULL;