diff --git a/OpenSim/Region/Physics/ChOdePlugin/ODECharacter.cs b/OpenSim/Region/Physics/ChOdePlugin/ODECharacter.cs
index 58e2e4c728..2945199faf 100644
--- a/OpenSim/Region/Physics/ChOdePlugin/ODECharacter.cs
+++ b/OpenSim/Region/Physics/ChOdePlugin/ODECharacter.cs
@@ -841,6 +841,7 @@ namespace OpenSim.Region.Physics.OdePlugin
         public override Vector3 Acceleration
         {
             get { return _acceleration; }
+            set { _acceleration = value; }
         }
 
         public void SetAcceleration(Vector3 accel)
diff --git a/OpenSim/Region/Physics/ChOdePlugin/ODEPrim.cs b/OpenSim/Region/Physics/ChOdePlugin/ODEPrim.cs
index 5f802d0632..42e22ffb52 100644
--- a/OpenSim/Region/Physics/ChOdePlugin/ODEPrim.cs
+++ b/OpenSim/Region/Physics/ChOdePlugin/ODEPrim.cs
@@ -673,6 +673,7 @@ namespace OpenSim.Region.Physics.OdePlugin
                 }
                 return _acceleration; 
             }
+            set { _acceleration = value; }
         }