diff --git a/config/config.sample.php b/config/config.sample.php
index f9943ddfe19..737a94cce3d 100644
--- a/config/config.sample.php
+++ b/config/config.sample.php
@@ -1421,6 +1421,15 @@ $CONFIG = [
  */
 'preview_ffmpeg_path' => '/usr/bin/ffmpeg',
 
+/**
+ * custom path for ffprobe binary
+ *
+ * Defaults to ``null`` and falls back to using the same path as ffmpeg.
+ * ffprobe is typically packaged with ffmpeg and is required for
+ * enhanced preview generation for HDR videos.
+ */
+'preview_ffprobe_path' => '/usr/bin/ffprobe',
+
 /**
  * Set the URL of the Imaginary service to send image previews to.
  * Also requires the ``OC\Preview\Imaginary`` provider to be enabled in the