diff --git a/examples/tcp/tcp-validation.cc b/examples/tcp/tcp-validation.cc
index 03f1aa5f3..52ea7fb46 100644
--- a/examples/tcp/tcp-validation.cc
+++ b/examples/tcp/tcp-validation.cc
@@ -498,7 +498,7 @@ main (int argc, char *argv[])
   ////////////////////////////////////////////////////////////
   // command-line argument parsing                          //
   ////////////////////////////////////////////////////////////
-  CommandLine cmd;
+  CommandLine cmd (__FILE__);
   cmd.AddValue ("firstTcpType", "first TCP type (cubic, dctcp, or reno)", firstTcpType);
   cmd.AddValue ("secondTcpType", "second TCP type (cubic, dctcp, or reno)", secondTcpType);
   cmd.AddValue ("queueType", "bottleneck queue type (fq, codel, pie, or red)", queueType);
diff --git a/src/lte/examples/lena-rem-sector-antenna.cc b/src/lte/examples/lena-rem-sector-antenna.cc
index 7ba869119..c6bcfd275 100644
--- a/src/lte/examples/lena-rem-sector-antenna.cc
+++ b/src/lte/examples/lena-rem-sector-antenna.cc
@@ -37,7 +37,7 @@ using std::vector;
 int
 main (int argc, char *argv[])
 {
-  CommandLine cmd;
+  CommandLine cmd (__FILE__);
   cmd.Parse (argc, argv);
 
   ConfigStore inputConfig;