diff --git a/clean.sh b/clean.sh
index 437d6e1..c6bcf3e 100755
--- a/clean.sh
+++ b/clean.sh
@@ -3,4 +3,4 @@ set -e
 isort --profile black *.py lib/*.py
 black -l 80 *.py lib/*.py
 flynt *.py lib/*.py
-mypy main.py
+mypy esl_reader.py
diff --git a/main.py b/esl_reader.py
similarity index 100%
rename from main.py
rename to esl_reader.py