diff --git a/OpenSim/Region/CoreModules/World/Estate/EstateManagementModule.cs b/OpenSim/Region/CoreModules/World/Estate/EstateManagementModule.cs
index fa52334a9d..bb77bd5b26 100644
--- a/OpenSim/Region/CoreModules/World/Estate/EstateManagementModule.cs
+++ b/OpenSim/Region/CoreModules/World/Estate/EstateManagementModule.cs
@@ -852,10 +852,11 @@ namespace OpenSim.Region.CoreModules.World.Estate
             int x = (args.Length > 5 ? int.Parse(args[5]) : -1);
             int y = (args.Length > 6 ? int.Parse(args[6]) : -1);
 
-            if (x != -1 && m_scene.RegionInfo.RegionLocX != x)
+            if (x == -1 || m_scene.RegionInfo.RegionLocX == x)
             {
-                if (y != -1 && m_scene.RegionInfo.RegionLocY != y)
+                if (y == -1 || m_scene.RegionInfo.RegionLocY == y)
                 {
+                    m_log.Debug("[ESTATEMODULE] Setting terrain textures for " + m_scene.RegionInfo.RegionName);
                     setEstateTerrainBaseTexture(null, int.Parse(num), UUID.Parse(uuid));
                 }
             }
@@ -869,10 +870,11 @@ namespace OpenSim.Region.CoreModules.World.Estate
             int x = (args.Length > 6 ? int.Parse(args[6]) : -1);
             int y = (args.Length > 7 ? int.Parse(args[7]) : -1);
 
-            if (x != -1 && m_scene.RegionInfo.RegionLocX != x)
+            if (x == -1 || m_scene.RegionInfo.RegionLocX == x)
             {
-                if (y != -1 && m_scene.RegionInfo.RegionLocY != y)
+                if (y == -1 || m_scene.RegionInfo.RegionLocY == y)
                 {
+                    m_log.Debug("[ESTATEMODULE] Setting terrain heights " + m_scene.RegionInfo.RegionName);
                     setEstateTerrainTextureHeights(null, int.Parse(num), float.Parse(min), float.Parse(max));
                 }
             }