diff --git a/epanet/__init__.py b/epanet/__init__.py
index 7aedf70..b2473ee 100644
--- a/epanet/__init__.py
+++ b/epanet/__init__.py
@@ -1 +1 @@
-from .epanet import run_project, run_inp, dump_output
\ No newline at end of file
+from .epanet2 import run_project, run_inp, dump_output
\ No newline at end of file
diff --git a/epanet/epanet.py b/epanet/epanet2.py
similarity index 99%
rename from epanet/epanet.py
rename to epanet/epanet2.py
index 86d216f..5f59584 100644
--- a/epanet/epanet.py
+++ b/epanet/epanet2.py
@@ -7,7 +7,7 @@ from typing import Any
 sys.path.append("..") 
 from api import project
 from api import parser
-from .error_code import *
+from .epanet2_ec import *
 
 def _verify_platform():
     _platform = platform.system()
diff --git a/epanet/error_code.py b/epanet/epanet2_ec.py
similarity index 100%
rename from epanet/error_code.py
rename to epanet/epanet2_ec.py