diff --git a/octoprint_enclosure/__init__.py b/octoprint_enclosure/__init__.py
index 8734970..f6b1aca 100644
--- a/octoprint_enclosure/__init__.py
+++ b/octoprint_enclosure/__init__.py
@@ -122,10 +122,20 @@ class EnclosurePlugin(octoprint.plugin.StartupPlugin,
         self.print_complete = False
 
     def get_settings_version(self):
-        return 5
+        return 6
 
-    def on_settings_migrate(self, target, current):
+    def on_settings_migrate(self, target, current=None):
         self._logger.warn("######### current settings version %s target settings version %s #########", current, target)
+
+        if current >= 4 and target == 6:
+            self._logger.warn(
+                "######### migrating settings to v6 #########")
+            old_outputs = self._settings.get(["rpi_outputs"])
+            for rpi_output in old_outputs:
+                if 'shutdown_on_failed' not in rpi_output:
+                    rpi_output['shutdown_on_failed'] = False
+                if 'shell_script' not in rpi_output:
+                    rpi_output['shell_script'] = ""
         if current == 4 and target == 5:
             self._logger.warn("######### migrating settings from v4 to v5 #########")
             old_outputs = self._settings.get(["rpi_outputs"])
@@ -170,7 +180,6 @@ class EnclosurePlugin(octoprint.plugin.StartupPlugin,
                 val = GPIO.input(pin) if not rpi_output['active_low'] else (
                     not GPIO.input(pin))
                 index = self.to_int(rpi_output['index_id'])
-                # result.append(dict(index_id=rpi_output['index_id'], value=val))
                 gpio_status.append(dict(index_id=index, status=val))
         return flask.Response(json.dumps(gpio_status), mimetype='application/json')
 
@@ -187,13 +196,9 @@ class EnclosurePlugin(octoprint.plugin.StartupPlugin,
     @octoprint.plugin.BlueprintPlugin.route("/sendShellCommand", methods=["GET"])
     def send_shell_command(self):
         output_index = self.to_int(flask.request.values["index_id"])
-
         rpi_output = [r_out for r_out in self.rpi_outputs if self.to_int(
             r_out['index_id']) == output_index].pop()
-
-        if rpi_output:
-                command = rpi_output['shell_script']
-                self.shell_command(command)
+        self.send_gcode_command(rpi_output['shell_script'])
         return flask.jsonify(success=True)
 
 
diff --git a/octoprint_enclosure/static/js/enclosure.js b/octoprint_enclosure/static/js/enclosure.js
index b51dfad..ffc07a3 100644
--- a/octoprint_enclosure/static/js/enclosure.js
+++ b/octoprint_enclosure/static/js/enclosure.js
@@ -511,6 +511,19 @@ $(function () {
       });
     };
 
+    self.handleShellOutput = function (item, form) {
+      var request = {
+        "index_id": item.index_id()
+      };
+
+      $.ajax({
+        type: "GET",
+        dataType: "json",
+        data: request,
+        url: self.buildPluginUrl("/sendShellCommand")
+      });
+    };
+
     self.switchAutoStartUp = function (item) {
 
       var request = {
diff --git a/octoprint_enclosure/templates/enclosure_navbar.jinja2 b/octoprint_enclosure/templates/enclosure_navbar.jinja2
index 64a6b42..143bcaa 100644
--- a/octoprint_enclosure/templates/enclosure_navbar.jinja2
+++ b/octoprint_enclosure/templates/enclosure_navbar.jinja2
@@ -5,6 +5,7 @@
 </a>
 <ul class="dropdown-menu" data-bind="foreach: $root.rpi_outputs()">
     <!-- ko if: ($data.show_on_navbar())  -->
+
     <!-- ko if: ($data.output_type() == "regular")  -->
     <li>
         <a href="javascript:void(0)" data-bind="click: $root.handleIO">
@@ -38,6 +39,15 @@
     <!-- /ko -->
     <!-- /ko -->
 
+    <!-- ko if: ($data.output_type() == "shell_output")  -->
+    <li>
+        <a href="javascript:void(0)" data-bind="click: $root.handleShellOutput">
+            <span data-bind="html: label"> </span>
+            <span class="badge badge-info">shell</span>
+        </a>
+    </li>
+    <!-- /ko -->
+
     <!-- /ko -->
 
 </ul>
diff --git a/octoprint_enclosure/templates/enclosure_tab.jinja2 b/octoprint_enclosure/templates/enclosure_tab.jinja2
index 3b8b479..474041f 100644
--- a/octoprint_enclosure/templates/enclosure_tab.jinja2
+++ b/octoprint_enclosure/templates/enclosure_tab.jinja2
@@ -170,6 +170,16 @@
 </div>
 <!-- /ko -->
 
+<!-- ko if: ($data.output_type() == "shell_output")  -->
+<h4>
+    <span data-bind="html: label"> </span>
+    <span class="badge">Shell Script</span>
+</h4>
+<div>
+    <button data-bind="enable: $root.isUser(), click: $root.handleShellOutput" class="btn">Execute Script</button>
+</div>
+<!-- /ko -->
+
 <!-- ko if: ($data.output_type() == "pwm")  -->
 <h4>
     <span data-bind="html: label"> </span>
@@ -292,4 +302,4 @@
     <!-- /ko -->
 </h4>
 <!-- /ko -->
-<!-- /ko -->
+<!-- /ko -->
\ No newline at end of file