--- a/tool/CommandPdos.cpp	Wed Feb 24 16:27:11 2010 +0100
+++ b/tool/CommandPdos.cpp	Wed Feb 24 17:24:20 2010 +0100
@@ -129,7 +129,7 @@
     ec_ioctl_slave_sync_pdo_entry_t entry;
     unsigned int i, j, k;
     
-    if (showHeader)
+    if (showHeader && slave.sync_count)
         cout << "=== Master " << m.getIndex()
             << ", Slave " << slave.position << " ===" << endl;