diff --git a/content/dataset.html b/content/dataset.html
index 08b978cf..1a813649 100644
--- a/content/dataset.html
+++ b/content/dataset.html
@@ -126,7 +126,7 @@ draft: false
 
       window.defaultDats = window.defaultDats.concat(sub)
     }
-    window.indexDB = await indexDB.loadAsync()
+    await indexDB.loadAsync()
     window.defaultDats = window.defaultDats.sort((datfA, datfB) => {
       const exSetA = datfA.set
       const exSetB = datfB.set
diff --git a/static/js/indexDB.js b/static/js/indexDB.js
index e736599b..f5d3bb88 100644
--- a/static/js/indexDB.js
+++ b/static/js/indexDB.js
@@ -1,11 +1,15 @@
 class indexDB {
   static async loadAsync() {
+    if (window.indexDB) {
+      return window.indexDB
+    }
     var db = new indexDB
     const maxAge= (DebugMode.Enabled,0,600)
     const text = await getTextFromFileUrlAsync("/data/index.yaml",{"Cache-Control":`max-age=${maxAge}`})
     const myYaml = jsyaml.load(text);
     db.sets = ((myYaml.sets === null) ? new Map() : new Map(Object.entries(myYaml.sets)));
     db.others = ((myYaml.others === null) ? [] : Array.from(myYaml.others));
+    window.indexDB=db
     return db
   }
 }
\ No newline at end of file