diff --git a/OpenSim/Region/Physics/Meshing/Meshmerizer.cs b/OpenSim/Region/Physics/Meshing/Meshmerizer.cs
index a2d6656d9a..4e43a1bb68 100644
--- a/OpenSim/Region/Physics/Meshing/Meshmerizer.cs
+++ b/OpenSim/Region/Physics/Meshing/Meshmerizer.cs
@@ -2022,6 +2022,10 @@ namespace OpenSim.Region.Physics.Meshing
         {
             Mesh mesh = null;
 
+            if (size.X < 0.01f) size.X = 0.01f;
+            if (size.Y < 0.01f) size.Y = 0.01f;
+            if (size.Z < 0.01f) size.Z = 0.01f;
+
 #if SPAM
             reportPrimParams(primName, primShape);
 #endif