diff --git a/OpenSim/Data/MySQL/MySQLSimulationData.cs b/OpenSim/Data/MySQL/MySQLSimulationData.cs
index e2b69538e5..b53c67b912 100644
--- a/OpenSim/Data/MySQL/MySQLSimulationData.cs
+++ b/OpenSim/Data/MySQL/MySQLSimulationData.cs
@@ -817,6 +817,7 @@ namespace OpenSim.Data.MySQL
                         nWP.cloudScrollY = Convert.ToSingle(result["cloud_scroll_y"]);
                         nWP.cloudScrollYLock = Convert.ToBoolean(result["cloud_scroll_y_lock"]);
                         nWP.drawClassicClouds = Convert.ToBoolean(result["draw_classic_clouds"]);
+                        nWP.valid = true;
                     }
                 }
             }
diff --git a/OpenSim/Framework/RegionInfo.cs b/OpenSim/Framework/RegionInfo.cs
index 08d5398a18..176a523146 100644
--- a/OpenSim/Framework/RegionInfo.cs
+++ b/OpenSim/Framework/RegionInfo.cs
@@ -42,6 +42,7 @@ namespace OpenSim.Framework
 {
     public class RegionLightShareData : ICloneable
     {
+        public bool valid = false;
         public UUID regionID = UUID.Zero;
         public Vector3 waterColor = new Vector3(4.0f,38.0f,64.0f);
         public float waterFogDensityExponent = 4.0f;
diff --git a/OpenSim/Region/CoreModules/LightShare/LightShareModule.cs b/OpenSim/Region/CoreModules/LightShare/LightShareModule.cs
index 412dbb69c3..88f392dcdb 100644
--- a/OpenSim/Region/CoreModules/LightShare/LightShareModule.cs
+++ b/OpenSim/Region/CoreModules/LightShare/LightShareModule.cs
@@ -194,7 +194,8 @@ namespace OpenSim.Region.CoreModules.World.LightShare
         }
         private void EventManager_OnSaveNewWindlightProfile()
         {
-            m_scene.ForEachScenePresence(SendProfileToClient);
+            if (m_scene.RegionInfo.WindlightSettings.valid)
+                m_scene.ForEachScenePresence(SendProfileToClient);
         }
 
         public void PostInitialise()
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LS_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LS_Api.cs
index 665b39f6fc..24a93c5d8a 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LS_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LS_Api.cs
@@ -455,6 +455,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             if (LightShareModule.EnableWindlight)
             {
                 RegionLightShareData wl = getWindlightProfileFromRules(rules);
+                wl.valid = true;
                 m_host.ParentGroup.Scene.StoreWindlightProfile(wl);
                 success = 1;
             }