diff --git a/video/combine.sh b/video/combine.sh
index 75e7117..cc81874 100644
--- a/video/combine.sh
+++ b/video/combine.sh
@@ -4,6 +4,6 @@ ffmpeg \
     -i 'colamath-audio.wav' \
     -ac 2 \
     -ar 48000 \
-    -vf 'pad=w=534' \
+    -vf 'pad=w=640:h=480:x=52:y=80' \
     -pix_fmt yuv420p \
     -y colamath-dither.mp4