diff --git a/OpenSim/Region/Framework/Scenes/CollisionSounds.cs b/OpenSim/Region/Framework/Scenes/CollisionSounds.cs
index 075724eff8..21c9ab9344 100644
--- a/OpenSim/Region/Framework/Scenes/CollisionSounds.cs
+++ b/OpenSim/Region/Framework/Scenes/CollisionSounds.cs
@@ -31,6 +31,7 @@ using System.Reflection;
 using System.Collections.Generic;
 using OpenMetaverse;
 using OpenSim.Framework;
+using OpenSim.Region.Physics.Manager;
 using log4net;
 
 namespace OpenSim.Region.Framework.Scenes
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index 16a85883d1..735bd32671 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -4917,7 +4917,7 @@ namespace OpenSim.Region.Framework.Scenes
 
             pa.OnCollisionUpdate -= PhysicsCollision;
 
-            bool hassound = (CollisionSoundType >= 0 && !VolumeDetectActive);
+            bool hassound = (!VolumeDetectActive && CollisionSoundType >= 0 && ((Flags & PrimFlags.Physics) != 0));
 
             scriptEvents CombinedEvents = AggregateScriptEvents;