diff --git a/spynnaker/pyNN/models/neuron/master_pop_table.py b/spynnaker/pyNN/models/neuron/master_pop_table.py
index 8683cfb854..c98be57af6 100644
--- a/spynnaker/pyNN/models/neuron/master_pop_table.py
+++ b/spynnaker/pyNN/models/neuron/master_pop_table.py
@@ -79,7 +79,7 @@ def _make_array(ctype: Type[_T], n_items: int) -> ctypes.Array[_T]:
     :return: a ctype array
     :rtype: _ctypes.PyCArrayType
     """
-    array_type = ctype * n_items # type: ignore
+    array_type = ctype * n_items  # type: ignore
     return array_type()