--- a/src/kdenlivesettings.kcfg

+++ b/src/kdenlivesettings.kcfg

@@ -202,7 +202,7 @@

     <entry name="ffmpegaudiothumbnails" type="Bool">

       <label>Use FFmpeg to create audio thumbnails (10x faster than MLT).</label>

-      <default>true</default>

+      <default>false</default>

     </entry>

     <entry name="showmarkers" type="Bool">