diff --git a/app/fileSender.js b/app/fileSender.js
index a3fb7a25..99f2ad12 100644
--- a/app/fileSender.js
+++ b/app/fileSender.js
@@ -78,10 +78,11 @@ export default class FileSender extends Nanobus {
       this.keychain,
       p => {
         this.progress = p;
-        this.emit('progress', p);
+        this.emit('progress');
       }
     );
     this.msg = 'fileSizeProgress';
+    this.emit('progress'); // HACK to kick MS Edge
     try {
       const result = await this.uploadRequest.result;
       const time = Date.now() - start;
diff --git a/app/templates/progress/index.js b/app/templates/progress/index.js
index f9f67e44..4ab9a1d3 100644
--- a/app/templates/progress/index.js
+++ b/app/templates/progress/index.js
@@ -7,6 +7,10 @@ const oDiameter = oRadius * 2;
 const circumference = 2 * Math.PI * radius;
 
 module.exports = function(progressRatio, indefinite = false) {
+  // HACK - never indefinite for MS Edge
+  if (/edge/i.test(navigator.userAgent)) {
+    indefinite = false;
+  }
   const p = indefinite ? 0.2 : progressRatio;
   const dashOffset = (1 - p) * circumference;
   const progressPercent = html`