Use the output name, not a random source

remux/remux/mux.py

@@ -72,7 +72,7 @@ class Mux:
         args.append(sub['path'])
 
       # mkvmerge
-      self.logger.info(f"Copying: {file['name']}")
+      self.logger.info(f"Copying: {final.name}")
       if temp.exists():
         self.logger.error(f"Skipping because mux output exists: {temp}")
         continue