diff --git a/lib/decode/file b/lib/decode/file
index b0f350a..5797b9d 100644
--- a/lib/decode/file
+++ b/lib/decode/file
@@ -51,6 +51,27 @@ decodeFile() {
 					fi
 				fi
 			;;
+			'audio/ogg opus')
+				if [[ ${destinationformat[$destination]} = opus ]] \
+				&& checkCopy
+				then
+					copied=1
+				else
+					(( disableopusdec )) && continue
+					decodeOpusdec
+					if (( ${destinationnormalize["$destination"]}))\
+					|| (
+					[ -n "${destinationfrequency["$destination"]}" ]\
+					&& (( ${rate:-0} != ${destinationfrequency["$destination"]}))\
+					) || (
+					[ -n "${destinationchannels["$destination"]}" ]\
+					&& (( ${channels:-0} != ${destinationchannels["$destination"]} ))
+					)
+					then
+						sox_needed=1
+					fi
+				fi
+			;;
 			'application/ogg'*)
 				if [[ ${destinationformat[$destination]} = vorbis ]] \
 				&& checkCopy
@@ -60,9 +81,21 @@ decodeFile() {
 					decodeSox
 				fi
 			;;
+			'audio/ogg'*)
+				if [[ ${destinationformat[$destination]} = vorbis ]] \
+				&& checkCopy
+				then
+					copied=1
+				else
+					decodeSox
+				fi
+			;;
 			'audio/x-flac')
 				decodeSox
 			;;
+			'audio/flac')
+				decodeSox
+			;;
 			*)
 				extendedtype=$(file -b "$sourcepath/$filename")
 				case "$extendedtype" in