diff --git a/src/run_modules/pre_processing.py b/src/run_modules/pre_processing.py
index b53469ecc9d0ca9c7b816d5362b9d0a225b78124..1e0c6b66073f4207689e2190a15cd6ac01a2b198 100644
--- a/src/run_modules/pre_processing.py
+++ b/src/run_modules/pre_processing.py
@@ -136,8 +136,9 @@ class PreProcessing(RunEnvironment):
 
         # all required arguments of the DataGenerator can be found in args, positional arguments in args and kwargs
         data_gen = DataGenerator(**args, **kwargs)
-        for station in all_stations:
+        for pos, station in enumerate(all_stations):
             t_inner.run()
+            logging.info(f"check station {station} ({pos + 1} / {len(all_stations)})")
             try:
                 data = data_gen.get_data_generator(key=station, load_local_tmp_storage=load_tmp,
                                                    save_local_tmp_storage=save_tmp)