diff --git a/Common_ONE-PF.mlpe b/Common_ONE-PF.mlpe
index 2704b48..f60d224 100644
--- a/Common_ONE-PF.mlpe
+++ b/Common_ONE-PF.mlpe
@@ -2888,9 +2888,9 @@ end
 ---------------------------------------------------------------------
 function RollerParkingNeeded( sHead, dAng1p, dAng2p, dAng1, dAng2)
    if sHead == 'H11' or sHead == 'H12'  or sHead == 'H17' or HeadIsChainSaw( sHead) then
-      return ( abs( dAng1 - dAng1p) > 1 or ( abs( dAng2 - dAng2p) > 1 and abs( dAng1 % 180.0) > 1))
+      return ( abs( dAng1 - dAng1p) > 1 or ( abs( dAng2 - dAng2p) > 1 and abs( dAng1) % 180.0 > 1))
    elseif sHead == 'H21' or sHead == 'H22' or HeadIsChainSaw( sHead) then
-      return ( abs( dAng1 - dAng1p) > 1 or ( abs( dAng2 - dAng2p) > 1 and abs( dAng1 % 180.0) > 1))
+      return ( abs( dAng1 - dAng1p) > 1 or ( abs( dAng2 - dAng2p) > 1 and abs( dAng1) % 180.0 > 1))
    end
 end
 
diff --git a/UpdateLog.txt b/UpdateLog.txt
index 63c3508..c7b91e3 100644
--- a/UpdateLog.txt
+++ b/UpdateLog.txt
@@ -1,5 +1,8 @@
            ==== Common_ONE-PF Update Log ====
 
+Versione 2.7-- (--/--/2025)
+- (SIM-GEN) Corretto calcolo per decidere se serve aprire i rulli
+
 Versione 2.7j3 (23/10/2025)
 - (SIM) Corretta posizione parcheggio in caso di testa 1 su magazzino 2. Ticket#2660
 
diff --git a/Version.lua b/Version.lua
index 452a378..9eb846b 100644
--- a/Version.lua
+++ b/Version.lua
@@ -3,7 +3,7 @@
 
 local InfoCommon_STD_PP = {
    NAME = 'Common_ONE-PF',            -- nome script PP standard
-   VERSION = '2.7j3',                 -- versione script
+   VERSION = '2.7--',                 -- versione script
    MIN_MACH_VER_PP_COMMON = '2.5k1'   -- versione minima kernel
 }