diff --git a/core/ffmpeg/ffmpeg.go b/core/ffmpeg/ffmpeg.go
index af2dab647..0ff77a77a 100644
--- a/core/ffmpeg/ffmpeg.go
+++ b/core/ffmpeg/ffmpeg.go
@@ -441,6 +441,14 @@ var formatOutputMap = map[string]string{
 	"flac": "flac",
 }
 
+// formatKeepsCoverArt lists the target formats whose muxer accepts an attached
+// picture. opus ("Unsupported codec id in stream 1") and adts ("adts muxer does
+// not support any stream of type video") reject one, so artwork is dropped there.
+var formatKeepsCoverArt = map[string]bool{
+	"mp3":  true,
+	"flac": true,
+}
+
 // defaultCommands is used to detect whether a user has customized their transcoding command.
 var defaultCommands = func() map[string]string {
 	m := make(map[string]string, len(consts.DefaultTranscodings))
@@ -468,6 +476,14 @@ func buildDynamicArgs(opts TranscodeOptions) []string {
 	args = append(args, "-i", opts.FilePath)
 	args = append(args, "-map", "0:a:0")
 
+	// Carry over embedded cover art, when the source has any. The trailing "?"
+	// keeps the mapping optional so sources without artwork still transcode.
+	// Only mp3 and flac: the opus muxer rejects the mjpeg stream and adts
+	// refuses any video stream, so mapping it there breaks transcoding outright.
+	if formatKeepsCoverArt[opts.Format] {
+		args = append(args, "-map", "0:v:0?", "-c:v", "copy", "-disposition:v", "attached_pic")
+	}
+
 	// Preserve source tags. -map_metadata 0 copies format-level tags (MP3/FLAC);
 	// -map_metadata 0:s:a:0 copies tags from the first audio stream (OPUS/OGG).
 	// Both are needed because the two source families store tags at different
diff --git a/core/ffmpeg/ffmpeg_test.go b/core/ffmpeg/ffmpeg_test.go
index 3912bc2e6..b8dc653e0 100644
--- a/core/ffmpeg/ffmpeg_test.go
+++ b/core/ffmpeg/ffmpeg_test.go
@@ -114,6 +114,7 @@ var _ = Describe("ffmpeg", func() {
 			Expect(args).To(Equal([]string{
 				"ffmpeg", "-i", "/music/file.flac",
 				"-map", "0:a:0",
+				"-map", "0:v:0?", "-c:v", "copy", "-disposition:v", "attached_pic",
 				"-map_metadata", "0", "-map_metadata", "0:s:a:0",
 				"-c:a", "libmp3lame",
 				"-b:a", "256k",
@@ -134,6 +135,7 @@ var _ = Describe("ffmpeg", func() {
 			Expect(args).To(Equal([]string{
 				"ffmpeg", "-i", "/music/file.dsf",
 				"-map", "0:a:0",
+				"-map", "0:v:0?", "-c:v", "copy", "-disposition:v", "attached_pic",
 				"-map_metadata", "0", "-map_metadata", "0:s:a:0",
 				"-c:a", "flac",
 				"-ar", "48000",
@@ -161,6 +163,20 @@ var _ = Describe("ffmpeg", func() {
 			}))
 		})
 
+		It("does not map cover art for muxers that reject it", func() {
+			// The opus and adts muxers refuse a video stream outright, so mapping
+			// the attached picture there would break transcoding rather than
+			// preserve artwork.
+			for _, format := range []string{"opus", "aac"} {
+				args := buildDynamicArgs(TranscodeOptions{
+					Format:   format,
+					FilePath: "/music/file.flac",
+					BitRate:  128,
+				})
+				Expect(strings.Join(args, " ")).ToNot(ContainSubstring("0:v:0?"), format)
+			}
+		})
+
 		It("includes offset when specified", func() {
 			args := buildDynamicArgs(TranscodeOptions{
 				Format:   "mp3",
@@ -173,6 +189,7 @@ var _ = Describe("ffmpeg", func() {
 				"-ss", "30",
 				"-i", "/music/file.mp3",
 				"-map", "0:a:0",
+				"-map", "0:v:0?", "-c:v", "copy", "-disposition:v", "attached_pic",
 				"-map_metadata", "0", "-map_metadata", "0:s:a:0",
 				"-c:a", "libmp3lame",
 				"-b:a", "192k",
@@ -209,6 +226,7 @@ var _ = Describe("ffmpeg", func() {
 			Expect(args).To(Equal([]string{
 				"ffmpeg", "-i", "/music/file.dsf",
 				"-map", "0:a:0",
+				"-map", "0:v:0?", "-c:v", "copy", "-disposition:v", "attached_pic",
 				"-map_metadata", "0", "-map_metadata", "0:s:a:0",
 				"-c:a", "flac",
 				"-sample_fmt", "s32",