diff --git a/indra/newview/llfloaterregioninfo.cpp b/indra/newview/llfloaterregioninfo.cpp
index ac2fc67e7bff9344fac78663adcc09ba9da58a36..a813790e371b9259addc87da74b6f3cecb36e814 100644
--- a/indra/newview/llfloaterregioninfo.cpp
+++ b/indra/newview/llfloaterregioninfo.cpp
@@ -1324,7 +1324,10 @@ BOOL LLPanelRegionTerrainInfo::validateTextureSizes()
 			return FALSE;
 		}
 
-		if (width > 512 || height > 512)
+//		if (width > 512 || height > 512)
+// [AL:SE] - Patch: Estate-LargeTerrain
+		if (width > 1024 || height > 1024)
+// [/AL:SE]
 		{
 
 			LLSD args;
diff --git a/indra/newview/skins/default/xui/en/panel_region_terrain.xml b/indra/newview/skins/default/xui/en/panel_region_terrain.xml
index 8243c2715df910b8ff89730a8bccd242c9eb07be..2aaea04a6d306f6058c580f2d44d52c7a07e2272 100644
--- a/indra/newview/skins/default/xui/en/panel_region_terrain.xml
+++ b/indra/newview/skins/default/xui/en/panel_region_terrain.xml
@@ -86,7 +86,7 @@
      name="detail_texture_text"
      top="110"
      width="300">
-        Terrain Textures (requires 512x512, 24 bit .tga files)
+        Terrain Textures (requires 1024x1024, 24 bit .tga files)
     </text>
     <texture_picker
      follows="left|top"