diff --git a/build-deb/luser/DEBIAN/postinst b/build-deb/luser/DEBIAN/postinst
index 755f65a..573bb70 100755
--- a/build-deb/luser/DEBIAN/postinst
+++ b/build-deb/luser/DEBIAN/postinst
@@ -1,3 +1,5 @@
 #!/bin/sh
 /usr/bin/systemctl enable luser.service
 /sbin/service luser start
+cp /tmp/oldluserconfig.ini /var/luser/luser/config.ini
+rm /tmp/oldluserconfig.ini
diff --git a/build-deb/luser/DEBIAN/preinst b/build-deb/luser/DEBIAN/preinst
new file mode 100755
index 0000000..8f060aa
--- /dev/null
+++ b/build-deb/luser/DEBIAN/preinst
@@ -0,0 +1,2 @@
+#!/bin/sh
+cp /var/luser/luser/config.ini /tmp/oldluserconfig.ini
diff --git a/build-deb/luser/DEBIAN/prerm b/build-deb/luser/DEBIAN/prerm
index 3c44ee6..1044fe7 100755
--- a/build-deb/luser/DEBIAN/prerm
+++ b/build-deb/luser/DEBIAN/prerm
@@ -1,3 +1,4 @@
 #!/bin/sh
 /sbin/service luser stop
 /usr/bin/systemdctl disable luser.service
+cp /var/luser/luser/config.ini /tmp/oldluserconfig.ini