diff --git a/Resources/config/encoders.yml b/Resources/config/encoders.yml
index aa8a25d..1b22bf3 100644
--- a/Resources/config/encoders.yml
+++ b/Resources/config/encoders.yml
@@ -15,7 +15,7 @@ pumukit_hard_video_editor:
             channels: 1
             audio: false
             bat: |
-                ffmpeg -y -i "{{input}}" -acodec libfdk_aac -vcodec libx264 -preset slow -crf 15 -ss {{ss}} -to {{t}} -threads 0 "{{output}}"
+                ffmpeg -y -i "{{input}}" -acodec aac -vcodec libx264 -preset slow -crf 15 -ss {{ss}} -to {{t}} -copyts -threads 0 "{{output}}"
                 sleep 15
             streamserver:
                 name: Localmaster