diff --git a/gewittergefahr/scripts/find_storm_tracking_gaps.py b/gewittergefahr/scripts/find_storm_tracking_gaps.py
index 713a6dec..35d91348 100644
--- a/gewittergefahr/scripts/find_storm_tracking_gaps.py
+++ b/gewittergefahr/scripts/find_storm_tracking_gaps.py
@@ -9,7 +9,7 @@
 from gewittergefahr.gg_utils import storm_tracking_utils as tracking_utils
 
 TIME_FORMAT = '%Y-%m-%d-%H%M%S'
-FILE_SIZE_WITHOUT_STORMS_BYTES = 2905
+FILE_SIZE_WITHOUT_STORMS_BYTES = 2100
 
 FIRST_SPC_DATE_ARG_NAME = 'first_spc_date_string'
 LAST_SPC_DATE_ARG_NAME = 'last_spc_date_string'