diff --git a/install/1merge/sudo/sudoers b/install/1merge/sudo/sudoers
index 25c4cde..27f8cea 100644
--- a/install/1merge/sudo/sudoers
+++ b/install/1merge/sudo/sudoers
@@ -1,4 +1,4 @@
-# Calculate comment=# chmod=0400
+# Calculate comment=# chmod=0440
 
 Defaults	env_reset
 #?os_install_root_type==livecd#
diff --git a/install/1system/calculate-install/calculate2.env b/install/1system/calculate-install/calculate2.env
index 27df9f5..fb06d8a 100644
--- a/install/1system/calculate-install/calculate2.env
+++ b/install/1system/calculate-install/calculate2.env
@@ -6,7 +6,7 @@ os_install_dev_from = #-os_root_dev-#
 # NTP is a protocol designed to synchronize the clocks of computers over a network.
 os_install_ntp = #-os_install_ntp-#
 #os_root_type#
-#pkg(sys-apps/calculate-install)>2.2.17-r1&&os_root_type=hdd#
+#?pkg(sys-apps/calculate-install)>2.2.17-r1&&os_root_type=hdd#
 # name of net manager which is used
 os_install_net_settings = #-os_install_net_conf-#
 #pkg#
diff --git a/install/2laptop/lenovo/sudo/sudoers b/install/2laptop/lenovo/sudo/sudoers
index f252dae..c8b2a4c 100644
--- a/install/2laptop/lenovo/sudo/sudoers
+++ b/install/2laptop/lenovo/sudo/sudoers
@@ -1,4 +1,4 @@
-# Calculate format=patch path=/etc chmod=0400
+# Calculate format=patch path=/etc chmod=0440
 <reg>(# BEGIN laptop configuration)
 .*(# END laptop configuration)</reg>
 <text>\1
diff --git a/install/2laptop/samsung/sudo/sudoers b/install/2laptop/samsung/sudo/sudoers
index 4b5b0f7..cbbeb5b 100644
--- a/install/2laptop/samsung/sudo/sudoers
+++ b/install/2laptop/samsung/sudo/sudoers
@@ -1,4 +1,4 @@
-# Calculate format=patch path=/etc chmod=0400
+# Calculate format=patch path=/etc chmod=0440
 <reg>(# BEGIN laptop configuration)
 .*(# END laptop configuration)</reg>
 <text>\1