diff --git a/Configuration/PyReleaseValidation/python/relval_nano.py b/Configuration/PyReleaseValidation/python/relval_nano.py
index 83e8e77b149bf..9bc595a1ffda7 100644
--- a/Configuration/PyReleaseValidation/python/relval_nano.py
+++ b/Configuration/PyReleaseValidation/python/relval_nano.py
@@ -723,7 +723,8 @@ def next(self, index: int = None) -> None:
 from Configuration.PyReleaseValidation.relval_Run4 import prefixDet
 
 # Phase-2 HLT NANO workflows
-workflows[prefixDet+34.759]  = _upgrade_workflows[prefixDet+34.759] # HLT75e33 + NANO
-workflows[prefixDet+34.7591] = _upgrade_workflows[prefixDet+34.7591] # HLT75e33 + NANO (including validation)
-workflows[prefixDet+34.772]  = _upgrade_workflows[prefixDet+34.772] # NGTScouting + NANO
-workflows[prefixDet+34.773]  = _upgrade_workflows[prefixDet+34.773] # NGTScouting + NANO (including validation)
+_wfn = WFN(3000)
+workflows[_wfn()]  = _upgrade_workflows[prefixDet+34.759]  # HLT75e33 + NANO
+workflows[_wfn()]  = _upgrade_workflows[prefixDet+34.7591] # HLT75e33 + NANO (including validation)
+workflows[_wfn()]  = _upgrade_workflows[prefixDet+34.772]  # NGTScouting + NANO
+workflows[_wfn()]  = _upgrade_workflows[prefixDet+34.773]  # NGTScouting + NANO (including validation)