diff --git a/ews/coordinator/processor_epidemiology.py b/ews/coordinator/processor_epidemiology.py
index fa6d891b137ca3c7848e4a252bfb62c6143fe7e5..4e3ba0b6588d82712b5079efb7572f67707393ea 100644
--- a/ews/coordinator/processor_epidemiology.py
+++ b/ews/coordinator/processor_epidemiology.py
@@ -87,8 +87,8 @@ class ProcessorEpidemiology(ProcessorBase):
 
         configtemplate_filename: str = config['config_path']
         start_date, end_date = calc_epi_date_range(start_string, calc_span_days)
-        start_string = start_date.strftime('%Y%m%d')
-        end_string = end_date.strftime('%Y%m%d')
+        start_string = start_date.strftime('%Y-%m-%d-%H%M')
+        end_string = end_date.strftime('%Y-%m-%d-%H%M')
 
         configName_withoutEpi = f"{os.path.basename(configtemplate_filename).replace('.json','')}_{start_string}-{end_string}"