diff --git a/Makefile b/Makefile
index f56d89f..3c30ae4 100644
--- a/Makefile
+++ b/Makefile
@@ -15,6 +15,7 @@ sbindir 	:= /usr/sbin
 sysconfdir	:= /etc
 datadir 	:= /usr/share
 mambadir 	:= /usr/share/openmamba
+polkitdir 	:= /usr/share/polkit-1/actions
 localesdir 	:= ${datadir}/locale
 
 DESTDIR 	:=
@@ -48,14 +49,14 @@ install-dirs:
 	@$(INSTALL_DIR) $(DESTDIR)$(mambadir)/usbinstall
 	@$(INSTALL_DIR) $(DESTDIR)$(datadir)/applications
 	@$(INSTALL_DIR) $(DESTDIR)$(mambadir)/usbinstall/img
-	@$(INSTALL_DIR) $(DESTDIR)$(sysconfdir)/sudoers.d/
+	@$(INSTALL_DIR) $(DESTDIR)$(polkitdir)
 
 install: install-dirs install-locales
 	$(INSTALL_PROGRAM) src/usbinstall.py $(DESTDIR)$(mambadir)/usbinstall/usbinstall.py
 	$(INSTALL_SCRIPT) src/usbinstall.sh $(DESTDIR)$(sbindir)/usbinstall
 	$(INSTALL_DATA) src/fdisk_template $(DESTDIR)$(mambadir)/usbinstall/fdisk_template
 	$(INSTALL_DATA) src/img/*.png $(DESTDIR)$(mambadir)/usbinstall/img/
-	${INSTALL} -m 440 src/usbinstall-sudoers $(DESTDIR)$(sysconfdir)/sudoers.d/usbinstall
+	$(INSTALL_DATA) src/org.openmamba.usbinstall.policy $(DESTDIR)$(polkitdir)/org.openmamba.usbinstall.policy
 	$(INSTALL_DATA) src/usbinstall.desktop $(DESTDIR)$(datadir)/applications/usbinstall.desktop
 
 clean: 
diff --git a/src/org.openmamba.usbinstall.policy b/src/org.openmamba.usbinstall.policy
new file mode 100644
index 0000000..a63218f
--- /dev/null
+++ b/src/org.openmamba.usbinstall.policy
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE policyconfig PUBLIC
+"-//freedesktop//DTD PolicyKit Policy Configuration 1.0//EN"
+"http://www.freedesktop.org/standards/PolicyKit/1.0/policyconfig.dtd">
+<policyconfig>
+   <vendor>openmamba</vendor>
+   <vendor_url>http://www.openmamba.org</vendor_url>
+
+   <action id="org.openmamba.usbinstall.run">
+      <description>openmamba installation on USB pendrive</description>
+      <description xml:lang="it">Installatione di openmamba su chiavetta USB</description>
+      <message>Authentication is required to install openmamba on USB pendrive</message>
+      <message xml:lang="it">Bisogna autenticarsi per installare openmamba su una chiavetta USB</message>
+      <icon_name>security-high</icon_name>
+      <defaults>
+         <allow_inactive>no</allow_inactive>
+         <allow_active>yes</allow_active>
+      </defaults>
+      <annotate key="org.freedesktop.policykit.exec.path">/usr/sbin/usbinstall</annotate>
+   </action>
+</policyconfig>