diff --git a/scripts/process_data.py b/scripts/process_data.py
index 775e4fba4..d3e8263a2 100755
--- a/scripts/process_data.py
+++ b/scripts/process_data.py
@@ -164,7 +164,7 @@ def convert_video_to_images(
         spacing = num_frames // num_frames_target
 
         if spacing > 1:
-            ffmpeg_cmd += f" -vf 'thumbnail={spacing},setpts=N/TB' -r 1"
+            ffmpeg_cmd += f" -vf thumbnail={spacing},setpts=N/TB -r 1"
         else:
             CONSOLE.print("[bold red]Can't satify requested number of frames. Extracting all frames.")