diff --git a/OpenSim/Region/CoreModules/Hypergrid/HGWorldMapModule.cs b/OpenSim/Region/CoreModules/Hypergrid/HGWorldMapModule.cs
index 8201031fac..d8681b58f8 100644
--- a/OpenSim/Region/CoreModules/Hypergrid/HGWorldMapModule.cs
+++ b/OpenSim/Region/CoreModules/Hypergrid/HGWorldMapModule.cs
@@ -93,7 +93,7 @@ namespace OpenSim.Region.CoreModules.Hypergrid
                         mblock.X = (ushort)x;
                         mblock.Y = (ushort)y;
                         mblock.Name = "";
-                        mblock.Access = 254; // not here???
+                        mblock.Access = 255; // means 'simulator does not exist'
                         mblock.MapImageId = UUID.Zero;
                         mapBlocks.Add(mblock);
                     }
diff --git a/OpenSim/Region/CoreModules/World/WorldMap/WorldMapModule.cs b/OpenSim/Region/CoreModules/World/WorldMap/WorldMapModule.cs
index 0e1dd195b2..0cacf2dce1 100644
--- a/OpenSim/Region/CoreModules/World/WorldMap/WorldMapModule.cs
+++ b/OpenSim/Region/CoreModules/World/WorldMap/WorldMapModule.cs
@@ -820,7 +820,7 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
                     MapBlockData block = new MapBlockData();
                     block.X = (ushort)minX;
                     block.Y = (ushort)minY;
-                    block.Access = 254; // == not there
+                    block.Access = 254; // means 'simulator is offline'
                     response.Add(block);
                 }
                 remoteClient.SendMapBlock(response, 0);