diff --git a/tokenise+train.py b/tokenise+train.py
index 3dc3cc5..7d8f950 100644
--- a/tokenise+train.py
+++ b/tokenise+train.py
@@ -19,7 +19,7 @@ def train(ouputdir: Path, blocksize: int, vocabsize: int, num_steps: int, gpu: b
 	from aitextgen import aitextgen
 
 	exts = ['.json', '.gz']
-	files = [x for x in ouputdir.glob('*') if x.suffix in exts]
+	files = [x for x in ouputdir.glob('*') if x.suffix in exts and x != "config.json"]
 	if len(files) == 2:
 		if files[0].suffix == '.json':
 			tok = str(files[0])