diff --git a/Makefile b/Makefile
index 473c586..5a32455 100644
--- a/Makefile
+++ b/Makefile
@@ -64,6 +64,7 @@ install-dirs:
 	@$(INSTALL_DIR) $(DESTDIR)$(installerdatadir)
 	@$(INSTALL_DIR) $(DESTDIR)$(SYSTEM_MENU_DIR)
 	@$(INSTALL_DIR) $(DESTDIR)/home/liveuser/
+	@$(INSTALL_DIR) $(DESTDIR)$(sysconfdir)/sudoers.d/
 
 install-icons:
 	@for i in 16x16 22x22 32x32 48x48 64x64 128x128; do \
@@ -80,6 +81,7 @@ install: install-dirs install-locales install-icons
 	$(INSTALL_DATA) gpl-es.html $(DESTDIR)$(installerdatadir)/gpl-es.html
 	$(INSTALL_PROGRAM) installer/installer.kmdr $(DESTDIR)$(installerdatadir)
 	$(INSTALL_PROGRAM) installer/*.sh $(DESTDIR)$(installerdatadir)
+	$(INSTALL_PROGRAM) installer/installer-sudoers $(DESTDIR)$(sysconfdir)/sudoers.d/installer
 	$(INSTALL_DATA) installer/openmamba-installer.desktop $(DESTDIR)$(SYSTEM_MENU_DIR)
 	cp -a liveuser/.kde4 $(DESTDIR)/home/liveuser/
 
diff --git a/VERSION b/VERSION
index 2ec7c5c..922796f 100644
--- a/VERSION
+++ b/VERSION
@@ -1,3 +1,3 @@
-VERSION=2.4.96
+VERSION=2.4.97
 
 
diff --git a/installer/installer-sudoers b/installer/installer-sudoers
new file mode 100644
index 0000000..6311c21
--- /dev/null
+++ b/installer/installer-sudoers
@@ -0,0 +1,11 @@
+# openmamba-installer sudoers.d file.
+#
+# This file MUST be edited with the 'visudo' command as root.
+#
+# See the sudoers man page for the details on how to write a sudoers file.
+#
+
+# Cmnd alias specification
+Cmnd_Alias INSTALLER = /usr/sbin/gparted, /usr/share/openmamba/installer/installer.sh, /usr/bin/udisks
+
+%sysadmin ALL = NOPASSWD: INSTALLER
diff --git a/installer/installer.kmdr b/installer/installer.kmdr
index 8e65876..f5b409b 100755
--- a/installer/installer.kmdr
+++ b/installer/installer.kmdr
@@ -1525,7 +1525,7 @@ volumes=`udisks --enumerate-device-files | grep -v /dev/disk`
 for v in $volumes; do
    native_path=`get_udisks_key $v native-path`
    [ ! -e $native_path/partition ] || continue
-   udisks --unmount $v
+   sudo udisks --unmount $v
 done
 @execEnd
 @PartitionBox.setEnabled(false)
@@ -1538,7 +1538,7 @@ done
 </ul>
 @i18n("Press OK to launch the disk partitioning tool.")
 ",@i18n("Hint for partitioning"))
-@exec(/usr/sbin/gparted)
+@exec(sudo /usr/sbin/gparted)
 @scanDevices.execute()
 @exec("dcop kded kded loadModule medianotifier")
 @PartitionBox.setEnabled(true)
@@ -3352,7 +3352,7 @@ fi
 @if (@confirmBox.checked); then
    @dcop(@dcopid, KommanderIf, setEnabled(QString,bool), back, false)
    @exec("/usr/bin/xset -dpms")
-   @exec("/usr/share/openmamba/installer/installer.sh -y @dcopid &> ~/.installer.log &")
+   @exec("sudo /usr/share/openmamba/installer/installer.sh -y @dcopid &> ~/.installer.log &")
    @exec("dcop kdesktop KScreensaverIface quit")
 @endif
 
diff --git a/installer/openmamba-installer.desktop b/installer/openmamba-installer.desktop
index 34db8f0..b4da9ed 100644
--- a/installer/openmamba-installer.desktop
+++ b/installer/openmamba-installer.desktop
@@ -4,7 +4,7 @@ Name[it]=Installa
 GenericName=openmamba installation
 GenericName[it]=Installazione di openmamba
 Comment=openmamba installer
-Exec=kdesudo kmdr-executor /usr/share/openmamba/installer/installer.kmdr
+Exec=kmdr-executor /usr/share/openmamba/installer/installer.kmdr
 Icon=installer
 Terminal=0
 Type=Application