diff --git a/lib/node/subtitle.js b/lib/node/subtitle.js
index 1d0102ba..d0e4ad5e 100755
--- a/lib/node/subtitle.js
+++ b/lib/node/subtitle.js
@@ -283,7 +283,7 @@ class FFSubtitle extends FFNode {
 
     forEach(list, text => {
       // text += sign;
-      const time = (text.length / totalLength) * duration;
+      const time = ((text.length + 1) / totalLength) * duration;
       const frames = start + time * fps;
       this.textList.push({ start, frames, text, draw: false });
       start = frames;