diff --git a/applications/utilities/mesh/manipulation/renumberMesh/renumberMesh.C b/applications/utilities/mesh/manipulation/renumberMesh/renumberMesh.C
index d03f24cd7c..af968f8120 100644
--- a/applications/utilities/mesh/manipulation/renumberMesh/renumberMesh.C
+++ b/applications/utilities/mesh/manipulation/renumberMesh/renumberMesh.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011-2012 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2013 OpenFOAM Foundation
      \\/     M anispulation  |
 -------------------------------------------------------------------------------
 License
@@ -494,7 +494,13 @@ autoPtr<mapPolyMesh> reorderMesh
                     newFlipMap[i] = fZone.flipMap()[i];
                 }
             }
-            fZone.resetAddressing(newAddressing, newFlipMap);
+            labelList newToOld;
+            sortedOrder(newAddressing, newToOld);
+            fZone.resetAddressing
+            (
+                UIndirectList<label>(newAddressing, newToOld)(),
+                UIndirectList<bool>(newFlipMap, newToOld)()
+            );
         }
     }
     // Re-do the cellZones
@@ -508,6 +514,7 @@ autoPtr<mapPolyMesh> reorderMesh
                 reverseCellOrder,
                 cellZones[zoneI]
             )();
+            Foam::sort(cellZones[zoneI]);
         }
     }
 
diff --git a/src/OpenFOAM/meshes/primitiveMesh/PatchTools/PatchToolsSortEdges.C b/src/OpenFOAM/meshes/primitiveMesh/PatchTools/PatchToolsSortEdges.C
index 54306d7230..0877a50b5f 100644
--- a/src/OpenFOAM/meshes/primitiveMesh/PatchTools/PatchToolsSortEdges.C
+++ b/src/OpenFOAM/meshes/primitiveMesh/PatchTools/PatchToolsSortEdges.C
@@ -77,10 +77,12 @@ Foam::PatchTools::sortedEdgeFaces
             {
                 if (f0[fpI] != e.start())
                 {
-                    const vector faceEdgeDir = localPoints[f0[fpI]] - edgePt;
-                    const scalar angle = faceEdgeDir & e2;
+                    vector faceEdgeDir = localPoints[f0[fpI]] - edgePt;
+                    faceEdgeDir /= mag(faceEdgeDir) + VSMALL;
 
-                    if (angle < maxAngle)
+                    const scalar angle = e2 & faceEdgeDir;
+
+                    if (mag(angle) < maxAngle)
                     {
                         maxAngle = angle;
                         maxAngleEdgeDir = faceEdgeDir;
@@ -114,10 +116,12 @@ Foam::PatchTools::sortedEdgeFaces
                 {
                     if (f[fpI] != e.start())
                     {
-                        const vector faceEdgeDir = localPoints[f[fpI]] - edgePt;
-                        const scalar angle = faceEdgeDir & e2;
+                        vector faceEdgeDir = localPoints[f[fpI]] - edgePt;
+                        faceEdgeDir /= mag(faceEdgeDir) + VSMALL;
 
-                        if (angle < maxAngle)
+                        const scalar angle = e2 & faceEdgeDir;
+
+                        if (mag(angle) < maxAngle)
                         {
                             maxAngle = angle;
                             maxAngleEdgeDir = faceEdgeDir;