diff --git a/isso/js/app/api.js b/isso/js/app/api.js
index 2c5eba5..0bff7c0 100644
--- a/isso/js/app/api.js
+++ b/isso/js/app/api.js
@@ -129,12 +129,19 @@ define(["app/lib/promise", "app/globals"], function(Q, globals) {
     };
 
     var fetch = function(tid, limit, nested_limit, parent, lastcreated) {
-        if(typeof(limit) == 'undefined') limit = 0;
-        if(typeof(nested_limit) == 'undefined') nested_limit = 0;
+        if(typeof(limit) == 'undefined') limit = "inf";
+        if(typeof(nested_limit) == 'undefined') nested_limit = "inf";
         if(typeof(parent) == 'undefined') parent = null;
+        var query_dict = {uri: tid || location, after: lastcreated, parent: parent};
+        if(limit != "inf") {
+            query_dict['limit'] = limit;
+        }
+        if(nested_limit != "inf"){
+            query_dict['nested_limit'] = nested_limit;
+        }
         var deferred = Q.defer();
         curl("GET", endpoint + "/?" +
-            qs({uri: tid || location, limit: limit, nested_limit: nested_limit, after: lastcreated, parent: parent}), null, function(rv) {
+            qs(query_dict), null, function(rv) {
                 if (rv.status === 200) {
                     deferred.resolve(JSON.parse(rv.body));
                 } else if (rv.status === 404) {