diff --git a/src/processing/ffmpeg.py b/src/processing/ffmpeg.py
index 49b90343..d47c1232 100644
--- a/src/processing/ffmpeg.py
+++ b/src/processing/ffmpeg.py
@@ -943,6 +943,7 @@ async def crop(file, w, h, x, y):
 
 async def trim_top(file, trim_size):
     mt = await mediatype(file)
+    trim_size = trim_size + 1
     exts = {
         "VIDEO": "mp4",
         "GIF": "mp4",