diff --git a/RTCP/Cobalt/CoInterface/src/Parset.cc b/RTCP/Cobalt/CoInterface/src/Parset.cc
index e031026182b178b9990c1643c59dc5a14dd0a203..c84830fe437248e21caa632581cc37b2086adf35 100644
--- a/RTCP/Cobalt/CoInterface/src/Parset.cc
+++ b/RTCP/Cobalt/CoInterface/src/Parset.cc
@@ -504,9 +504,9 @@ namespace LOFAR
 
         node.hostName = getString(prefix + "host", "localhost");
         node.cpu      = getInt(prefix + "cpu", -1);
-        node.avoidCores = getUint32Vector(prefix + "avoidCores", emptyVectorUnsigned);
+        node.avoidCores = getUint32Vector(prefix + "avoidCores", emptyVectorUnsigned, true);
         node.mpi_nic  = getString(prefix + "mpi_nic",  "");
-        node.gpus     = getUint32Vector(prefix + "gpus", vector<unsigned>(1,0)); // default to [0]
+        node.gpus     = getUint32Vector(prefix + "gpus", vector<unsigned>(1,0), true); // default to [0]
 
         // format: [CEP4:ib0,DragNet:ib0]
         node.out_nic  = "";