diff --git a/OpenSim/Region/Physics/OdePlugin/Meshing/Meshmerizer.cs b/OpenSim/Region/Physics/OdePlugin/Meshing/Meshmerizer.cs
index 2a304cbac6..37fbb8a496 100644
--- a/OpenSim/Region/Physics/OdePlugin/Meshing/Meshmerizer.cs
+++ b/OpenSim/Region/Physics/OdePlugin/Meshing/Meshmerizer.cs
@@ -361,7 +361,11 @@ namespace OpenSim.Region.Physics.OdePlugin.Meshing
                     CalcNormals(mesh);
                     break;
                 default:
-                    mesh = null;
+                    mesh = CreateBoxMesh(primName, primShape, size);
+                    CalcNormals(mesh);
+                    //Set default mesh to cube otherwise it'll return 
+                    // null and crash on the 'setMesh' method in the physics plugins.
+                    //mesh = null;
                     break;
             }
 
diff --git a/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs b/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs
index 4bd36aa313..8b8aac6d59 100644
--- a/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs
+++ b/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs
@@ -1086,9 +1086,12 @@ namespace OpenSim.Region.Physics.OdePlugin
                     // Construction of new prim
                     if (this._parent_scene.needsMeshing(_pbs))
                     {
-                      
+
+                        
                         // Don't need to re-enable body..   it's done in SetMesh
                         Mesh mesh = Meshmerizer.CreateMesh(oldname, _pbs, _size);
+                        // createmesh returns null when it's a shape that isn't a cube.
+                        if (mesh != null)
                         setMesh(_parent_scene, mesh);
                     } else {
                         prim_geom = d.CreateBox(_parent_scene.space, _size.X, _size.Y, _size.Z);