diff --git a/assets/js/fm.js b/assets/js/fm.js
index c867d91..f332ad5 100644
--- a/assets/js/fm.js
+++ b/assets/js/fm.js
@@ -117,7 +117,7 @@ UploadForm.prototype.updateSpeed = function (loaded) {
     if (this.lastTransferTime) {
         this.xferSpeed.push((loaded - this.lastLoaded) / (time - this.lastTransferTime));
 
-        if (this.xferSpeed.length > 10) this.xferSpeed = this.xferSpeed.slice(1);
+        if (this.xferSpeed.length > 100) this.xferSpeed = this.xferSpeed.slice(1);
 
         let speed = this.xferSpeed.reduce((v, c) => v + c) / this.xferSpeed.length;
         let unit = 0;