diff --git a/Designing/WinLib/WinManageProject.lua b/Designing/WinLib/WinManageProject.lua
index e62ce1a..14a3411 100644
--- a/Designing/WinLib/WinManageProject.lua
+++ b/Designing/WinLib/WinManageProject.lua
@@ -231,7 +231,7 @@ local function ConvertTableToGeometry( AreaTable, nParentId)
       
       -- anta singola
       if #tSashes == 1 then
-         local vJoints = GetJoints( AreaTable[JWD_JOINTS])
+         local vJoints = GetJoints( tSashes[1][JWD_JOINTS])
          local nOpeningType = GetOpeningType( tSashes[1][JWD_OPENING_TYPE])
          local nAreaId = WinCreate.AddSash( nParentId, vJoints, nOpeningType, nAreaNbr)
          -- aggiungo ferramenta sull'anta