diff --git a/Essetre-PF.NUM.mlpe b/Essetre-PF.NUM.mlpe
index 631bbfd..e9acdcc 100644
--- a/Essetre-PF.NUM.mlpe
+++ b/Essetre-PF.NUM.mlpe
@@ -10,8 +10,8 @@ local TEST_USE = false
 ---------------------------------------------------------------------
 function OnStart()
    -- controllo versione programma
-   if not EMT.VER or EMT.VER < '2.5d1' then
-      EmtSetLastError( 1200, 'A newer version of the program is required (minimum EgtMachKernel 2.5d1)')
+   if not EMT.VER or EMT.VER < '2.5h1' then
+      EmtSetLastError( 1200, 'A newer version of the program is required (minimum EgtMachKernel 2.5h1)')
    end
    EMT.USETO1 = false     -- abilitazione uso origine tavola
    EMT.MODAL = true       -- abilitazione emissione modale
diff --git a/Essetre-PF.mlpe b/Essetre-PF.mlpe
index 9b68313..5443015 100644
--- a/Essetre-PF.mlpe
+++ b/Essetre-PF.mlpe
@@ -25,8 +25,8 @@ local COLL_SAFE_DIST = 4
 ---------------------------------------------------------------------
 function OnSimulStart()
    -- controllo versione programma
-   if not EMT.VER or EMT.VER < '2.5d1' then
-      EmtSetLastError( 1200, 'A newer version of the program is required (minimum EgtMachKernel 2.5d1)')
+   if not EMT.VER or EMT.VER < '2.5h1' then
+      EmtSetLastError( 1200, 'A newer version of the program is required (minimum EgtMachKernel 2.5h1)')
    end
    -- Carico gli utensili sulle barre portautensili
    local vTcPos = EgtGetAllTcPosNames()