diff --git a/to_opus.sh b/to_opus.sh
index 876d5e4..054eea2 100644
--- a/to_opus.sh
+++ b/to_opus.sh
@@ -18,19 +18,16 @@ print_help() {
   printf "Help: not implemented yet"
 }
 
-delete="false"
 while getopts 'e:dh' flag; do
 	case "${flag}" in
 		e) extension+=("$OPTARG");;
-		d) delete="true";;
+		d) delete=true;;
 		h) print_help
 		exit 0;;
 		*) exit 1 ;;
 	esac
 done
 
-echo "$delete"
-
 # write array into string
 extension="${extension[*]}"
 # change separator
@@ -61,10 +58,10 @@ for file in **/*.@($extension); do
 	is_video=$(ffprobe -v error -select_streams V -show_entries stream=codec_type "$file")
 	if [[ ${#channels[@]} -gt 1 || -n "$is_video" ]]; then
 		ffmpeg -i "$file" -map 0 -map -0:d -map -0:t -c copy -c:a libopus $bitrate_settings-v info -hide_banner "${file%.*}.mkv" &&
-		if [[ "$delete"=true ]]; then rm "$file"; fi
+		if [[ "$delete" = true ]]; then rm "$file"; fi
 	else
 		ffmpeg -i "$file" $bitrate_settings-v info -hide_banner "${file%.*}.opus" &&
-		if [[ "$delete"=true ]]; then rm "$file"; fi
+		if [[ "$delete" = true ]]; then rm "$file"; fi
 	fi
 done