diff --git a/src/sunstone/public/app/utils/user-inputs.js b/src/sunstone/public/app/utils/user-inputs.js
index c870d64235..6c432cb33d 100644
--- a/src/sunstone/public/app/utils/user-inputs.js
+++ b/src/sunstone/public/app/utils/user-inputs.js
@@ -506,7 +506,7 @@ define(function(require) {
           _attributeInput(attr_gb) +
         '</div>' +
         '<div class="input-group-button">'+
-          '<select id="mb_input_unit" style="width: auto;">' +
+          '<select id="mb_input_unit">' +
             '<option value="MB">'+Locale.tr("MB")+'</option>' +
             '<option value="GB" selected>'+Locale.tr("GB")+'</option>' +
           '</select>' +
diff --git a/src/sunstone/public/scss/app.scss b/src/sunstone/public/scss/app.scss
index fefa787a8a..d756f217a5 100644
--- a/src/sunstone/public/scss/app.scss
+++ b/src/sunstone/public/scss/app.scss
@@ -223,4 +223,8 @@ meter {
 }
 .alert-color {
   color: $alert-color;
+}
+
+#mb_input_unit {
+  width: 4em;
 }
\ No newline at end of file