diff --git a/Unified/checkor.py b/Unified/checkor.py
index c8ae3f7e9..cdfd9d986 100755
--- a/Unified/checkor.py
+++ b/Unified/checkor.py
@@ -1093,7 +1093,7 @@ def upward( ns ):
 
                     # Corrections to the lists of files present in Phedex for the data Tiers managed by Rucio
                     _,dsn,process_string,tier = output.split('/')
-                    if tier in UC.get('tiers_to_rucio'):
+                    if tier in set(UC.get('tiers_to_rucio_relval')) | set(UC.get('tiers_to_rucio_nonrelval')):
                         # Here recalculating the filenames as a union of the phedex_files | rucio_files
                         all_filenames = set(phedex_filenames) | set(rucioClient.getFileNamesDataset(out))
                         missing_phedex = list(set(dbs_filenames) - all_filenames)