diff --git a/eobuilder/settings.py b/eobuilder/settings.py
index 799f16f..371d0e6 100644
--- a/eobuilder/settings.py
+++ b/eobuilder/settings.py
@@ -50,4 +50,5 @@ local_settings_file = os.environ.get(
     'EOBUILDER_SETTINGS_FILE', os.path.join(os.path.dirname(__file__), 'local_settings.py')
 )
 if os.path.exists(local_settings_file):
-    exec(open(local_settings_file).read())
+    with open(local_settings_file) as f:
+        exec(f.read())