diff --git a/src/main.py b/src/main.py
index ff2ec2d..0367875 100644
--- a/src/main.py
+++ b/src/main.py
@@ -8,21 +8,22 @@ from layers import Dedupe, Transcoder
 def get_args():
     parser = argparse.ArgumentParser()
     parser.add_argument('indir', type=Path, help='Directory containing artist directories')
+    parser.add_argument('compdir', type=Path, help='Directory to compare input')
     parser.add_argument('outdir', type=Path, help='Empty directory where transcodes will be placed')
     parser.add_argument('encoder', type=Path, help='Location of encoder')
     return parser.parse_args()
 
 
-def main(input_dir: Path, output_dir: Path, encoder: Path, out_extension: str = 'opus'):
+def main(input_dir: Path, compare_dir: Path, output_dir: Path, encoder: Path, out_extension: str = 'opus'):
     wd = Path(realpath(__file__)).parent.parent
     log_path = wd / "logs"
     if encoder.parts[-1] == "qaac64.exe":
         out_extension = "m4a"
     log = Log(log_path)
     input_root = Root(input_dir, log)
-    output_root = Root(output_dir, log)
+    compdir_root = Root(compare_dir, log)
 
-    dedupe = Dedupe(output_root, log)
+    dedupe = Dedupe(compdir_root, log)
     dedupe.process(input_root)
 
     transcoder = Transcoder(encoder, out_extension, output_dir, log, log_path)
@@ -32,4 +33,4 @@ def main(input_dir: Path, output_dir: Path, encoder: Path, out_extension: str =
 
 if __name__ == '__main__':
     args = get_args()
-    main(args.indir, args.outdir, args.encoder)
+    main(args.indir, args.compdir, args.outdir, args.encoder)