diff --git a/src/pymodaq_data/h5modules/saving.py b/src/pymodaq_data/h5modules/saving.py
index 6ff57380..0b5a742c 100644
--- a/src/pymodaq_data/h5modules/saving.py
+++ b/src/pymodaq_data/h5modules/saving.py
@@ -227,7 +227,7 @@ def add_array(self, where: Union[GROUP, str], name: str, data_type: DataType, ar
         """
         if array_type is None:
             if array_to_save is None:
-                array_type = config('data_saving', 'data_type', 'dynamic')
+                array_type = config('data_saving', 'data_type', 'dynamics')[0]
             else:
                 array_type = array_to_save.dtype