diff --git a/OpenSim/Framework/Serialization/External/RegionSettingsSerializer.cs b/OpenSim/Framework/Serialization/External/RegionSettingsSerializer.cs
index 648c9b6025..66d00516a6 100644
--- a/OpenSim/Framework/Serialization/External/RegionSettingsSerializer.cs
+++ b/OpenSim/Framework/Serialization/External/RegionSettingsSerializer.cs
@@ -150,7 +150,7 @@ namespace OpenSim.Framework.Serialization.External
                         settings.TerrainPBR3 = UUID.Parse(xtr.ReadElementContentAsString());
                         break;
                     case "PBR4":
-                        settings.TerrainPBR3 = UUID.Parse(xtr.ReadElementContentAsString());
+                        settings.TerrainPBR4 = UUID.Parse(xtr.ReadElementContentAsString());
                         break;
                     case "ElevationLowSW":
                         settings.Elevation1SW = double.Parse(xtr.ReadElementContentAsString(), Culture.NumberFormatInfo);