diff -r abc1d1caead7 -r d461b1f07296 tool/CommandData.cpp
--- a/tool/CommandData.cpp	Fri Nov 30 15:24:38 2012 +0100
+++ b/tool/CommandData.cpp	Fri Nov 30 20:15:31 2012 +0100
@@ -82,9 +82,12 @@
     MasterIndexList::const_iterator mi;
     for (mi = masterIndices.begin();
             mi != masterIndices.end(); mi++) {
+        ec_ioctl_master_t io;
         MasterDevice m(*mi);
         m.open(MasterDevice::Read);
-        domains = selectedDomains(m);
+        m.getMaster(&io);
+
+        domains = selectedDomains(m, io);
 
         for (di = domains.begin(); di != domains.end(); di++) {
             outputDomainData(m, *di);