diff --git a/src/sunstone/public/app/tabs/oneflow-templates-tab/form-panels/instantiate/html.hbs b/src/sunstone/public/app/tabs/oneflow-templates-tab/form-panels/instantiate/html.hbs
index 52b0cfc60d..c96486dcdf 100644
--- a/src/sunstone/public/app/tabs/oneflow-templates-tab/form-panels/instantiate/html.hbs
+++ b/src/sunstone/public/app/tabs/oneflow-templates-tab/form-panels/instantiate/html.hbs
@@ -26,7 +26,7 @@
       <label for="service_n_times">{{tr "Number of instances"}}
         <span class="tip">{{tr "Number of Services that will be created using this template"}}.</span>
       </label>
-      <input type="text" name="service_n_times" id="service_n_times" value="1">
+      <input type="number" min="1" name="service_n_times" id="service_n_times" value="1">
     </div>
   </div>
   <div id="instantiate_service_user_inputs">
diff --git a/src/sunstone/public/app/tabs/templates-tab/form-panels/instantiate/html.hbs b/src/sunstone/public/app/tabs/templates-tab/form-panels/instantiate/html.hbs
index 1e2dde834f..dce11f9fd0 100644
--- a/src/sunstone/public/app/tabs/templates-tab/form-panels/instantiate/html.hbs
+++ b/src/sunstone/public/app/tabs/templates-tab/form-panels/instantiate/html.hbs
@@ -50,7 +50,7 @@
           {{tr "Number of Virtual Machines that will be created using this template"}}.
         </span>
       </label>
-      <input type="number" name="vm_n_times" id="vm_n_times" value="1">
+      <input type="number" name="vm_n_times" id="vm_n_times" value="1" min="1">
       <input type="number" name="vm_n_times_disabled" id="vm_n_times_disabled" value="1" disabled>
     </div>
     <div class="medium-4 columns">
diff --git a/src/sunstone/public/app/utils/user-inputs.js b/src/sunstone/public/app/utils/user-inputs.js
index e68a5e9a76..212bbc37ce 100644
--- a/src/sunstone/public/app/utils/user-inputs.js
+++ b/src/sunstone/public/app/utils/user-inputs.js
@@ -184,6 +184,10 @@ define(function(require) {
   // opts.network_header: header text for the network inputs
   // returns true if at least one input was inserted
   function _generateServiceTemplateUserInputs(div, template_json, opts) {
+    if(opts == undefined){
+      opts = {};
+    }
+
     opts.div = div;
     opts.user_inputs = template_json.DOCUMENT.TEMPLATE.BODY.custom_attrs;