diff --git a/image_seq.sh b/seq.sh
similarity index 59%
rename from image_seq.sh
rename to seq.sh
index abbebd4..6c577e8 100644
--- a/image_seq.sh
+++ b/seq.sh
@@ -11,14 +11,13 @@ WIDTH=323
 HEIGHT=242
 
 if [[ "${INVERT}" != "" ]]; then
-	INVERT="-vf negate"
+	INVERT="negate,"
 fi
 
 mkdir -p "${OUTPUT}"
 
-ffmpeg 	-re -i "${INPUT}" \
+ffmpeg -y -re -i "${INPUT}" \
 	-f image2 \
 	-r ${RATE} \
-	"${INVERT}" \
-	-vf crop=in_h/3*4:in_h,scale=$WIDTH:$HEIGHT,setsar=1:1 \
+	-vf ${INVERT}crop=in_h/3*4:in_h,scale=$WIDTH:$HEIGHT,setsar=1:1 \
 	"${OUTPUT}/image_%06d.png"
\ No newline at end of file