diff --git a/content/multipledataset.html b/content/multipledataset.html
index f239ccb7..11538020 100644
--- a/content/multipledataset.html
+++ b/content/multipledataset.html
@@ -125,12 +125,12 @@ draft: false
       key = JSON.parse(keystr)
       key.shift()
       Reflect.setPrototypeOf(key[0], method.prototype)
-      Reflect.setPrototypeOf(key[1], doi.prototype)
+      Reflect.setPrototypeOf(key[1], DOI.prototype)
       for (const el of key) {
         var td = $("<td/>", {
           style: "white-space: nowrap;"
         })
-        if (trueTypeOf(el) == "doi") {
+        if (trueTypeOf(el) == "DOI") {
           var publi = await window.Cite.async(el.string)
           $("<a/>", {
             href: el.url,
@@ -227,7 +227,7 @@ draft: false
         })
       for (const el of tableels) {
         td=$(tdtemp).clone()
-        if (trueTypeOf(el) == "doi") {
+        if (trueTypeOf(el) == "DOI") {
           var publi = await window.Cite.async(el.string)
           $("<a/>", {
             href: el.url,
diff --git a/content/singledataset.html b/content/singledataset.html
index 616358a3..21e0ef9a 100644
--- a/content/singledataset.html
+++ b/content/singledataset.html
@@ -99,7 +99,7 @@ draft: false
         case "string":
           $("<h2/>").text(element).appendTo(sec)
           break;
-        case "doi":
+        case "DOI":
           var publi = await Cite.async(element.string)
           var output = publi.format('bibliography', {
             format: 'html',
diff --git a/static/js/data.js b/static/js/data.js
index 94b39ac1..ac429dce 100644
--- a/static/js/data.js
+++ b/static/js/data.js
@@ -57,7 +57,7 @@ class state {
     return tex;
   };
 }
-class doi {
+class DOI {
   constructor(doistring) {
     this.string = doistring
   };
@@ -139,7 +139,7 @@ class dataFileBase {
         dat.method = method.fromString(value)
         break;
       case "doi":
-        dat.DOI = new doi(value);
+        dat.DOI = new DOI(value);
         break;
       default:
     }