diff --git a/analyze_we_file.lua b/analyze_we_file.lua
index 477b4d0..5771603 100644
--- a/analyze_we_file.lua
+++ b/analyze_we_file.lua
@@ -62,6 +62,7 @@ mg_villages.analyze_we_file = function(scm, we_origin)
 		scm[ent.y][ent.x][ent.z] = { nodenames_id[ ent.name ], ent.param2 }; --TODO ent.meta
 
 	end
+
 	local c_air = minetest.get_content_id("air")
 	for x = 1, maxx do
 		for y = 1, maxy do
@@ -72,13 +73,14 @@ mg_villages.analyze_we_file = function(scm, we_origin)
 				if scm[y][x] == nil then
 					scm[y][x] = {}
 				end
-				if scm[y][x][z] == nil then
-					scm[y][x][z] = c_air
-				end
+--				if scm[y][x][z] == nil then
+--					scm[y][x][z] = c_air
+--				end
 			end
 		end
 	end
 
+
 	local size = {};
 	size.y = #scm;
 	size.x = #scm[1];
diff --git a/build_chest.lua b/build_chest.lua
index 227bf35..68402c8 100644
--- a/build_chest.lua
+++ b/build_chest.lua
@@ -78,7 +78,9 @@ build_chest.count_nodes = function( data )
 			else
 				id = a;
 			end
-			statistic[ id ] = { id, statistic[ id ][ 2 ]+1 };
+			if( statistic[ id ] and statistic[ id ][ 2 ] ) then
+				statistic[ id ] = { id, statistic[ id ][ 2 ]+1 };
+			end
 		end
 	end
 	end
@@ -93,7 +95,10 @@ build_chest.read_building = function( building_name )
 	-- read data
 	local res = handle_schematics.analyze_mts_file( building_name );
 	if( not( res )) then
-		return;
+		res = mg_villages.analyze_we_file( building_name, nil );
+		if( not( res )) then
+			return;
+		end
 	end
 	build_chest.building[ building_name ].size           = res.size;	
 	build_chest.building[ building_name ].nodenames      = res.nodenames;