diff --git a/mk/spksrc.service.installer b/mk/spksrc.service.installer
index fcde26135dc..1ac8bb673d9 100644
--- a/mk/spksrc.service.installer
+++ b/mk/spksrc.service.installer
@@ -71,6 +71,9 @@ save_wizard_variables ()
     if [ -n "${SHARE_PATH}" ]; then
         echo "SHARE_PATH=${SHARE_PATH}" >> ${INST_VARIABLES}
     fi
+    # Restriction permissions to protect sensitive options
+    chmod go-rwx ${INST_VARIABLES}
+    chown ${EFF_USER} ${INST_VARIABLES}
 }
 
 # Remove user from system and from groups it is member of
diff --git a/spk/demoservice/Makefile b/spk/demoservice/Makefile
index 205fee2c466..273c4b6ad06 100644
--- a/spk/demoservice/Makefile
+++ b/spk/demoservice/Makefile
@@ -1,6 +1,6 @@
 SPK_NAME = demoservice
-SPK_VERS = 1.2
-SPK_REV = 6
+SPK_VERS = 1.3
+SPK_REV = 10
 SPK_ICON = src/demoservice.png
 
 override ARCH=
diff --git a/spk/demoservice/PLIST b/spk/demoservice/PLIST
index a7ac9e4c865..2f4b57d2738 100644
--- a/spk/demoservice/PLIST
+++ b/spk/demoservice/PLIST
@@ -1 +1 @@
-bin:README
\ No newline at end of file
+rsc:README
\ No newline at end of file
diff --git a/spk/demoservice/src/service-setup.sh b/spk/demoservice/src/service-setup.sh
index 13cf0f58ea7..2bdbbf2844e 100644
--- a/spk/demoservice/src/service-setup.sh
+++ b/spk/demoservice/src/service-setup.sh
@@ -18,6 +18,7 @@ service_preinst ()
 service_postinst ()
 {
     echo "service_postinst ${SYNOPKG_PKG_STATUS}" >> $INST_LOG
+    echo "CUSTOM_OPTION=${wizard_custom_option}" >> ${INST_VARIABLES}
 }
 
 service_preuninst ()
@@ -25,7 +26,7 @@ service_preuninst ()
     echo "service_preuninst ${SYNOPKG_PKG_STATUS}" >> $INST_LOG
 }
 
-service_postinst ()
+service_postuninst ()
 {
     echo "service_postuninst ${SYNOPKG_PKG_STATUS}" >> $INST_LOG
 }
diff --git a/spk/demoservice/src/wizard/install_uifile b/spk/demoservice/src/wizard/install_uifile
index 83cc56f0f13..7cfa5a4d881 100644
--- a/spk/demoservice/src/wizard/install_uifile
+++ b/spk/demoservice/src/wizard/install_uifile
@@ -29,6 +29,10 @@
                 "errorText": "Not allowed character in group name"
               }
             }
+          },
+          {
+            "key": "wizard_custom_option",
+            "desc": "Demoservice custom option",
           }
         ]
       }
diff --git a/spk/demoservice/src/wizard/upgrade_uifile.sh b/spk/demoservice/src/wizard/upgrade_uifile.sh
new file mode 100644
index 00000000000..f309341e3e2
--- /dev/null
+++ b/spk/demoservice/src/wizard/upgrade_uifile.sh
@@ -0,0 +1,63 @@
+#!/bin/sh
+
+INST_ETC="/var/packages/${SYNOPKG_PKGNAME}/etc"
+INST_VARIABLES="${INST_ETC}/installer-variables"
+
+# Reload wizard variables stored by postinst
+if [ -r "${INST_VARIABLES}" ]; then
+    . "${INST_VARIABLES}"
+fi
+
+cat <<EOF > $SYNOPKG_TEMP_LOGFILE
+[
+  {
+    "step_title": "Example configuration for demoservice",
+    "items": [
+      {
+        "type": "textfield",
+        "desc": "Download configuration",
+        "subitems": [
+          {
+            "key": "wizard_download_dir",
+            "desc": "Download location",
+            "defaultValue": "${SHARE_PATH}",
+            "validator": {
+              "allowBlank": false,
+              "regex": {
+                "expr": "/^\\\/volume[0-9]{1,2}\\\/[^<>: */?\"]*/",
+                "errorText": "Path should begin with /volume?/ where ? is volume number (1-99)"
+              }
+            }
+          },
+          {
+            "key": "wizard_group",
+            "desc": "DSM group",
+            "defaultValue": "${GROUP}",
+            "validator": {
+              "allowBlank": false,
+              "regex": {
+                "expr": "/^[^<>:*/?\"]*$/",
+                "errorText": "Not allowed character in group name"
+              }
+            }
+          },
+          {
+            "key": "wizard_custom_option",
+            "desc": "Demoservice custom option",
+            "defaultValue": "${CUSTOM_OPTION}",
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "step_title": "Attention! DSM Permissions",
+    "items": [
+      {
+        "desc": "Permissions are managed with the group <b>'sc-download'</b> in DSM."
+      }
+    ]
+  }
+]
+EOF
+exit 0