diff --git a/GMW/GMW/WebUserControls/mod_anagCelle.ascx.cs b/GMW/GMW/WebUserControls/mod_anagCelle.ascx.cs
index e65b5042..371f7d6e 100644
--- a/GMW/GMW/WebUserControls/mod_anagCelle.ascx.cs
+++ b/GMW/GMW/WebUserControls/mod_anagCelle.ascx.cs
@@ -322,7 +322,14 @@ namespace GMW.WebUserControls
                 mod_filtroMag.ods = odsFiltroMag;
                 mod_filtroBlock.ods = odsFiltroBlock;
                 // imposto corretto valore x filtro Mag
-                mod_filtroMag.valore = memLayer.ML.StringSessionObj("CodMag_sel");
+                if (memLayer.ML.isInSessionObject("CodMag_sel"))
+                {
+                    mod_filtroMag.valore = memLayer.ML.StringSessionObj("CodMag_sel");
+                }
+                else
+                {
+                    memLayer.ML.setSessionVal("CodMag_sel", mod_filtroMag.valore, false);
+                }
                 if (memLayer.ML.isInSessionObject("IdxBlocco_sel"))
                 {
                     mod_filtroBlock.valore = memLayer.ML.StringSessionObj("IdxBlocco_sel");
diff --git a/GMW/GMW/bin/GMW.dll b/GMW/GMW/bin/GMW.dll
index 06bd3036..1b405811 100644
Binary files a/GMW/GMW/bin/GMW.dll and b/GMW/GMW/bin/GMW.dll differ
diff --git a/GMW/GMW/obj/Debug/GMW.dll b/GMW/GMW/obj/Debug/GMW.dll
index 06bd3036..1b405811 100644
Binary files a/GMW/GMW/obj/Debug/GMW.dll and b/GMW/GMW/obj/Debug/GMW.dll differ