diff --git a/coordinator/ProcessorEpidemiology.py b/coordinator/ProcessorEpidemiology.py
index 7ab4aa180650ddefcddeed5a244b12f8432659a5..12bc7cf7f647e1aa9776dfd8307ca5717920078f 100644
--- a/coordinator/ProcessorEpidemiology.py
+++ b/coordinator/ProcessorEpidemiology.py
@@ -632,7 +632,7 @@ class ProcessorEpidemiology(Processor):
 
                 # check column name is defined as expected
                 # from epi start time to forecast start time
-                column_name = f"X{config['StartTimeShort']}_X{config['StartString']}0000"
+                column_name = f"{config['StartTimeShort']}_{config['StartString']}0000"
                 assert df_seasonsofar.name == column_name
 
                 #  save to csv