diff --git a/content/multipledataset.html b/content/multipledataset.html
index 5610a8e3..414dbf4b 100644
--- a/content/multipledataset.html
+++ b/content/multipledataset.html
@@ -8,7 +8,7 @@ draft: false
 <script src="/scripts/getFullDataPath.js" type="text/javascript"></script>
 <script src="/scripts/getTextFromFile.js" type="text/javascript"></script>
 <script src="/scripts/trueTypeOf.js" type="text/javascript"></script>
-<script src="/scripts/noNan.js"></script>
+<script src="/scripts/uniq.js"></script>
 <script src="https://cdn.rawgit.com/larsgw/citation.js/archive/citation.js/citation-0.4.0-9.js"
   type="text/javascript"></script>
 <script src="https://cdn.plot.ly/plotly-latest.min.js"></script>
@@ -36,7 +36,7 @@ draft: false
   function reloadSelect(){
     $('#form > select').each(function(){
       $(this).find('option[value!=""]').remove()
-      const vals=new Set(window.dats.map((d)=>{return d[$(this).attr("name")]}))
+      const vals=uniq(window.dats.map((d)=>{return d[$(this).attr("name")]}))
       for (const val of vals){
         op=document.createElement("option")
         op.value=val
diff --git a/static/scripts/uniq.js b/static/scripts/uniq.js
new file mode 100644
index 00000000..d492b157
--- /dev/null
+++ b/static/scripts/uniq.js
@@ -0,0 +1,8 @@
+function uniq(array)
+{
+  return uniqueArray = array.filter((obj1,index) => {
+    return index === array.findIndex(obj2 => {
+      return JSON.stringify(obj1) === JSON.stringify(obj2);
+    });
+  });
+}
\ No newline at end of file