diff --git a/examples/tuple_as_labels/tuple_as_label.py b/examples/tuple_as_labels/tuple_as_label.py
index d8c8d3b7e..3a6a49b25 100644
--- a/examples/tuple_as_labels/tuple_as_label.py
+++ b/examples/tuple_as_labels/tuple_as_label.py
@@ -235,7 +235,7 @@ def main():
     )
 
     # create storage object representing a battery
-    nominal_storage_capacity = 5000
+    nominal_capacity = 5000
     storage = comp.GenericStorage(
         nominal_capacity=nominal_capacity,
         label=Label("storage", "electricity", "battery"),