diff --git a/mlair/data_handler/data_handler_wrf_chem.py b/mlair/data_handler/data_handler_wrf_chem.py
index 736a1753d964fbcc1a07e15940d1bfa4a2fe12ae..73fca3e4ff5ed0089927586f58d35b2fb8fc0ea9 100644
--- a/mlair/data_handler/data_handler_wrf_chem.py
+++ b/mlair/data_handler/data_handler_wrf_chem.py
@@ -321,7 +321,7 @@ class SingleGridColumnWrfChemDataLoader(BaseWrfChemDataLoader):
         # set geoinfo data set
         self._geo_infos = xr.Dataset({'dist': dist, 'bearing': bearing})
 
-        # set sectors
+        # set wind_sectors
         # initialize WindSector() providing helper methods for wind sector calculations
         ws = WindSector()
 
@@ -620,17 +620,17 @@ class DataHandlerSectorGrid(DataHandlerSingleGridColumn):
     # _requirements2 = remove_items(inspect.getfullargspec(DataHandlerSingleGridColumn).args, ["self", "station"])
     _requirements = DataHandlerWRF.requirements()
 
-    def __init__(self, *args, radius=None, sectors=None, wind_sector_edge_dim_name=None,  **kwargs):
+    def __init__(self, *args, radius=None, wind_sectors=None, wind_sector_edge_dim_name=None,  **kwargs):
         if radius is None:
             radius = 100  # km
         self.radius = radius
         if sectors is None:
             sectors = WindSector.DEFAULT_WIND_SECTORS
-        self.sectors = sectors
+        self.wind_sectors = wind_sectors
         if wind_sector_edge_dim_name is None:
             wind_sector_edge_dim_name = 'edges'
         self.wind_sector_edge_dim_name = wind_sector_edge_dim_name
-        self.windsector = WindSector(wind_sectors=self.sectors,
+        self.windsector = WindSector(wind_sectors=self.wind_sectors,
                                      wind_sector_edge_dim_name=self.wind_sector_edge_dim_name)
         self._added_vars = []
         self.wind_dir_name = None