diff --git a/acmc/parse.py b/acmc/parse.py
index 45a9839a6533b8a742091d3ac6dba343a02e3ca5..bf3f79e46e97f1f31b5af379007048512385b9c7 100644
--- a/acmc/parse.py
+++ b/acmc/parse.py
@@ -192,7 +192,7 @@ class Read2(Proto):
 
 class Read3(Proto):
     def __init__(self):
-        super().__init__("Read3", trud.PROCESSED_PATH / "read3.parquet")
+        super().__init__("read3", trud.PROCESSED_PATH / "read3.parquet")
 
         self.checks = [
             (