diff --git a/utils/python/nexus_nei2019_linker.py b/utils/python/nexus_nei2019_linker.py
index 9a3d733..58af1da 100755
--- a/utils/python/nexus_nei2019_linker.py
+++ b/utils/python/nexus_nei2019_linker.py
@@ -152,7 +152,7 @@ def link_file(src_file, tgt_file):
         mo = d.month
         iwd = d.isoweekday()
 
-        print(f"date: {d}, month: {mo}, isoweekday: {iwd}")
+        print(f"date: {d.strftime('%Y-%m-%d')}, month: {mo}, isoweekday: {iwd}")
         src = file_map.get((mo, iwd))
         if src is None:
             print(f"error: no file found for month {mo}, iwd {iwd}")