diff --git a/content/dataset.html b/content/dataset.html
index 35b560e0..bec71060 100644
--- a/content/dataset.html
+++ b/content/dataset.html
@@ -23,6 +23,7 @@ draft: false
 <script src="/js/DebugMode.js"></script>
 <script src="/js/numberUtils.js"></script>
 <script src="/js/indexDB.js"></script>
+<script src="/js/ArrayExtensions.js"></script>
 <script>
   function adjustSticky() {
     const height = $("nav").height()
@@ -102,7 +103,7 @@ draft: false
         const subset = sub.filter(d => d.set.isSameSet(exSet))
         for (mol of uniq(subset.map(d => d.molecule))) {
           const submol = subset.filter(d => d.molecule === mol)
-          const source = submol.find(async (d) => {
+          const source = await submol.findAsync(async (d) => {
             if (await d.set.getDOIAsync() === "10.1021/acs.jctc.8b01205") {
               return d.method.name === "CASPT2" && d.method.basis === "aug-cc-pVDZ"
             } else {
diff --git a/static/js/ArrayExtensions.js b/static/js/ArrayExtensions.js
new file mode 100644
index 00000000..861466c4
--- /dev/null
+++ b/static/js/ArrayExtensions.js
@@ -0,0 +1,9 @@
+if (!Array.prototype.findAsync) {
+  Array.prototype.findAsync = async function findAsync(asyncCallback) {
+    for (const item of this) {
+      if (await asyncCallback(item)) {
+        return item
+      }
+    }
+  }
+}
\ No newline at end of file