diff --git a/src/index.ts b/src/index.ts
index 3b597c9..c4b27a7 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -129,19 +129,26 @@ return xstring;
 
   var file = document.createElement('a');
   file.setAttribute('href', 'data:application/octet-stream;base64,' + Buffer.from(res.get(), "hex").toString("base64"));
-  file.setAttribute('download', "foo.xlsx");
+  file.setAttribute('download', "abap2xlsx " + new Date().toISOString() + ".xlsx");
   file.innerText = "Download, " + (res.get().length / 2) + " bytes";
   document.getElementById("container2").appendChild(file);
 }
 
+let tid = 0;
 async function abapChanged() {
+  clearTimeout(tid);
+  tid = setTimeout(async () => updateEverything(), 800);
+}
+
+async function updateEverything() {
   // @ts-ignore
   console.dir(globalThis.abap);
   const contents = editor1.getValue();
 
+  const file = new abaplint.MemoryFile(filename, contents);
+  reg.updateFile(file);
+
   try {
-    const file = new abaplint.MemoryFile(filename, contents);
-    reg.updateFile(file);
     reg.parse();
     abapMonaco.updateMarkers(reg, model1);