diff --git a/src/sunstone/public/js/sunstone-util.js b/src/sunstone/public/js/sunstone-util.js
index 5167c4913f..697c2b42c7 100644
--- a/src/sunstone/public/js/sunstone-util.js
+++ b/src/sunstone/public/js/sunstone-util.js
@@ -1483,7 +1483,7 @@ function setupQuotasDialog(dialog){
                 notifyError(tr("Please select an element"));
                 return false;
             };
-            if (!value) value = 0;
+            if (!value) value = -1;
             json[name] = value;
         };