diff --git a/src/sunstone/public/app/tabs/templates-tab/form-panels/instantiate.js b/src/sunstone/public/app/tabs/templates-tab/form-panels/instantiate.js
index c53927333a..f0bcf54b60 100644
--- a/src/sunstone/public/app/tabs/templates-tab/form-panels/instantiate.js
+++ b/src/sunstone/public/app/tabs/templates-tab/form-panels/instantiate.js
@@ -517,9 +517,9 @@ define(function(require) {
           CapacityInputs.fill(capacityContext, template_json.VMTEMPLATE);
 
           if (template_json.VMTEMPLATE.TEMPLATE.HYPERVISOR == "vcenter"){
-            $(".memory_input input", context).attr("pattern", "^([048]|\\d*[13579][26]|\\d*[24680][048])$");
+            $(".memory_input .mb_input input", context).attr("pattern", "^([048]|\\d*[13579][26]|\\d*[24680][048])$");
           } else {
-            $(".memory_input input", context).removeAttr("pattern");
+            $(".memory_input .mb_input input", context).removeAttr("pattern");
           }
 
           var cpuCost    = template_json.VMTEMPLATE.TEMPLATE.CPU_COST;