diff --git a/internal/logic/sync.go b/internal/logic/sync.go
index f569eb9..327c932 100644
--- a/internal/logic/sync.go
+++ b/internal/logic/sync.go
@@ -87,7 +87,9 @@ func CombineFiles(folder1 string, folder2 string, outputFolder string, progress
         }
         arguments = append(arguments, channelArguments...)
         arguments = append(arguments, getBaseArguments()...)
-        arguments = append(arguments, getCoverArtArguments(file, files2[index])...)
+        if ext == ".mp3" || ext == ".flac" {
+          arguments = append(arguments, getCoverArtArguments(file, files2[index])...)
+        }
         arguments = append(arguments, newFileName)
         cmd := exec.CommandContext(ctx, ffmpeg, arguments...)
         cmd.SysProcAttr = getSysProcAttr()