diff --git a/OpenSim/Region/Physics/ChOdePlugin/ODEPrim.cs b/OpenSim/Region/Physics/ChOdePlugin/ODEPrim.cs
index d63b9a4750..0a4ebe4db5 100644
--- a/OpenSim/Region/Physics/ChOdePlugin/ODEPrim.cs
+++ b/OpenSim/Region/Physics/ChOdePlugin/ODEPrim.cs
@@ -1810,9 +1810,9 @@ namespace OpenSim.Region.Physics.OdePlugin
             if (vertexCount == 0 || indexCount == 0)
             {
                 m_log.WarnFormat("[PHYSICS]: Got invalid mesh on prim {0} at <{1},{2},{3}>. It can be a sculp with alpha channel in map. Replacing it by a small box.", Name, _position.X, _position.Y, _position.Z);
-                _size.X = 0.01f;
-                _size.Y = 0.01f;
-                _size.Z = 0.01f;
+                _size.X = 0.05f;
+                _size.Y = 0.05f;
+                _size.Z = 0.05f;
                 return false;
             }
 
@@ -1851,9 +1851,9 @@ namespace OpenSim.Region.Physics.OdePlugin
                     d.GeomTriMeshDataDestroy(_triMeshData);
                     _triMeshData = IntPtr.Zero;
                 }
-                _size.X = 0.01f;
-                _size.Y = 0.01f;
-                _size.Z = 0.01f;
+                _size.X = 0.05f;
+                _size.Y = 0.05f;
+                _size.Z = 0.05f;
                 return false;
             }