diff --git a/js/lib/d3.combobox.js b/js/lib/d3.combobox.js
index 93f6b052f..46c8e649b 100644
--- a/js/lib/d3.combobox.js
+++ b/js/lib/d3.combobox.js
@@ -2,7 +2,7 @@ d3.combobox = function() {
     var event = d3.dispatch('accept'),
         data = [],
         suggestions = [],
-        minItems = 2,
+        minItems = 1,
         caseSensitive = false;
 
     var fetcher = function(val, cb) {