diff --git a/yt_dlp/YoutubeDL.py b/yt_dlp/YoutubeDL.py
index 4368ec57a..1965f40a2 100644
--- a/yt_dlp/YoutubeDL.py
+++ b/yt_dlp/YoutubeDL.py
@@ -3298,7 +3298,7 @@ def existing_video_file(*filepaths):
                     fd = get_suitable_downloader(info_dict, self.params, to_stdout=temp_filename == '-')
                     if fd not in [FFmpegFD, DashSegmentsFD] and 'no-direct-merge' not in self.params['compat_opts'] and (
                             info_dict.get('section_start') or info_dict.get('section_end')):
-                        msg = (f'This format cannot be partially downloaded {fd}' if FFmpegFD.available()
+                        msg = ('This format cannot be partially downloaded' if FFmpegFD.available()
                                else 'You have requested downloading the video partially, but ffmpeg is not installed')
                         self.report_error(f'{msg}. Aborting')
                         return