diff --git a/OpenSim/Framework/TerrainData.cs b/OpenSim/Framework/TerrainData.cs
index d1e0e7ef91..9325df23d5 100644
--- a/OpenSim/Framework/TerrainData.cs
+++ b/OpenSim/Framework/TerrainData.cs
@@ -160,7 +160,11 @@ namespace OpenSim.Framework
 
         public override bool IsTaintedAt(int xx, int yy)
         {
-            return m_taint[xx / Constants.TerrainPatchSize, yy / Constants.TerrainPatchSize];
+            int tx = xx / Constants.TerrainPatchSize;
+            int ty = yy / Constants.TerrainPatchSize;
+            bool ret =  m_taint[tx, ty];
+            m_taint[tx, ty] = false;
+            return ret;
         }
 
         // TerrainData.GetDatabaseBlob
diff --git a/OpenSim/Region/CoreModules/World/Archiver/Tests/ArchiverTests.cs b/OpenSim/Region/CoreModules/World/Archiver/Tests/ArchiverTests.cs
index 53f41f986e..e08a42da9d 100644
--- a/OpenSim/Region/CoreModules/World/Archiver/Tests/ArchiverTests.cs
+++ b/OpenSim/Region/CoreModules/World/Archiver/Tests/ArchiverTests.cs
@@ -579,7 +579,7 @@ namespace OpenSim.Region.CoreModules.World.Archiver.Tests
                 ArchiveConstants.CONTROL_FILE_PATH,
                 new ArchiveWriteRequest(m_scene, (Stream)null, Guid.Empty).CreateControlFile(new ArchiveScenesGroup()));
 
-            LandObject lo = new LandObject(groupID, true, null);
+            LandObject lo = new LandObject(groupID, true, m_scene);
             lo.SetLandBitmap(lo.BasicFullRegionLandBitmap());
             LandData ld = lo.LandData;
             ld.GlobalID = landID;