Index: /trunk/Mars/cmake/rootlogon.C.in
===================================================================
--- /trunk/Mars/cmake/rootlogon.C.in	(revision 19955)
+++ /trunk/Mars/cmake/rootlogon.C.in	(revision 19956)
@@ -97,4 +97,7 @@
     cout << endl;
 
+    // see https://sft.its.cern.ch/jira/browse/ROOT-10757 for details
+    TTime::Class()->SetCanSplit(true);
+
     if (gROOT->GetVersionInt()<60000 && !load())
         return;