diff --git a/epanet/epanet.py b/epanet/epanet.py
index e1cd950..56bb8ed 100644
--- a/epanet/epanet.py
+++ b/epanet/epanet.py
@@ -26,9 +26,11 @@ def run_project(name: str, readable: bool = True) -> str:
 
     dir = os.path.dirname(os.getcwd())
 
-    db_inp = os.path.join(os.path.join(dir, 'db_inp'), name + '.inp')
+    db_inp = os.path.join(os.path.join(dir, 'db_inp'), name + '.db.inp')
     parser.dump_inp(name, db_inp)
-    
+
+    name += '.db'
+
     exe = os.path.join(os.path.join(dir, 'epanet'), 'runepanet.exe')
     inp = os.path.join(os.path.join(dir, 'db_inp'), name + '.inp')
     rpt = os.path.join(os.path.join(dir, 'temp'), name + '.rpt')