diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/CM_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/CM_Api.cs
index 3e62c1a76e..4fb5c95c46 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/CM_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/CM_Api.cs
@@ -125,9 +125,12 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 {
                     if (avatar.IsChildAgent == false)
                     {
-                        result.Add(avatar.UUID);
-                        result.Add(avatar.PhysicsActor.Position);
-                        result.Add(avatar.Name);
+                        if (avatar.PhysicsActor != null && avatar.PhysicsActor.Position != null)
+                        {
+                            result.Add(avatar.UUID);
+                            result.Add(avatar.PhysicsActor.Position);
+                            result.Add(avatar.Name);
+                        }
                     }
                 }
             });