1 files changed, 6 insertions, 0 deletions

diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index dcec7e9..b3f11a7 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -4525,6 +4525,9 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name='avatarId'></param>
         protected internal bool AddSittingAvatar(UUID avatarId)
         {
+            if (IsSitTargetSet && SitTargetAvatar == UUID.Zero)
+                SitTargetAvatar = avatarId;
+
             HashSet<UUID> sittingAvatars = m_sittingAvatars;
 
             if (sittingAvatars == null)
@@ -4547,6 +4550,9 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name='avatarId'></param>
         protected internal bool RemoveSittingAvatar(UUID avatarId)
         {
+            if (SitTargetAvatar == avatarId)
+                SitTargetAvatar = UUID.Zero;
+
             HashSet<UUID> sittingAvatars = m_sittingAvatars;
 
             // This can occur under a race condition where another thread