diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index a51c625ed3..37738a554b 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -4812,6 +4812,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             {
                 m_host.CollisionSoundVolume = (float)impact_volume;
                 m_host.CollisionSound = m_host.invalidCollisionSoundUUID;
+                m_host,CollisionSoundType = 0;
                 return;
             }
             // TODO: Parameter check logic required.
@@ -4831,6 +4832,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             }
             m_host.CollisionSoundVolume = (float)impact_volume;
             m_host.CollisionSound = soundId;
+            m_host.CollisionSoundType = 1;
         }
 
         public LSL_String llGetAnimation(string id)