diff --git a/LuaLibs/FaceData.lua b/LuaLibs/FaceData.lua
index 25a5aee..23d74dc 100644
--- a/LuaLibs/FaceData.lua
+++ b/LuaLibs/FaceData.lua
@@ -109,6 +109,10 @@ function FaceData.GetFacesInfo( Proc, Part)
       vAdj = FaceData.GetAdjacencyMatrix( Proc)
    end
 
+   if not Proc.nFct then
+      Proc.nFct = EgtSurfTmFacetCount( Proc.id) or 0
+   end
+
    -- reset eventuali visualizzazioni facce a due colori
    EgtSurfTmResetTwoColors( Proc.id)