diff --git a/src/Server/ZB.MOM.WW.OtOpcUa.Runtime/OpcUa/OpcUaPublishActor.cs b/src/Server/ZB.MOM.WW.OtOpcUa.Runtime/OpcUa/OpcUaPublishActor.cs
index edf98c618..d50945690 100644
--- a/src/Server/ZB.MOM.WW.OtOpcUa.Runtime/OpcUa/OpcUaPublishActor.cs
+++ b/src/Server/ZB.MOM.WW.OtOpcUa.Runtime/OpcUa/OpcUaPublishActor.cs
@@ -1872,8 +1872,8 @@ public sealed class OpcUaPublishActor : ReceiveActor, IWithTimers
                 unreachable = state.Unreachable.ToHashSet();
             }
 
-            oldest = WarmRoleAuthority.OldestUpMember(members, "driver");
-            oldestReachable = WarmRoleAuthority.OldestUpMember(members, "driver", unreachable);
+            oldest = WarmRoleAuthority.OldestUpMember(members, ZB.MOM.WW.OtOpcUa.Cluster.RoleParser.Driver);
+            oldestReachable = WarmRoleAuthority.OldestUpMember(members, ZB.MOM.WW.OtOpcUa.Cluster.RoleParser.Driver, unreachable);
             primaryUnreachable = WarmRoleAuthority.SnapshotPrimaryGone(snapshotPrimary, members, unreachable, _removedMembers);
         }
         catch (Exception ex)