diff --git a/src/DIRAC/DataManagementSystem/Client/DataManager.py b/src/DIRAC/DataManagementSystem/Client/DataManager.py
index 1458aa61e6c..e2013471c89 100644
--- a/src/DIRAC/DataManagementSystem/Client/DataManager.py
+++ b/src/DIRAC/DataManagementSystem/Client/DataManager.py
@@ -569,7 +569,7 @@ def putAndRegister(self, lfn, fileName, diracSE, guid=None, path=None, checksum=
             "Size": size,
             "TargetSE": destinationSE,
             "GUID": guid,
-            "Addler": checksum,
+            "Adler": checksum,
         }
         startTime = time.time()
         res = self.registerFile(fileTuple)