diff --git a/examples/interest-header-example.cc b/examples/interest-header-example.cc
index 2b595b1..a93da9a 100644
--- a/examples/interest-header-example.cc
+++ b/examples/interest-header-example.cc
@@ -53,6 +53,9 @@
 	UniformVariable random(1, std::numeric_limits<uint32_t>::max ());
     uint32_t randomNonce = static_cast<uint32_t> (random.GetValue());
     interestHeader.SetNonce(randomNonce);
+    
+    interestHeader.SetNack(true);
+    interestHeader.SetCongested(true);
 	NS_LOG_INFO ("Source: \n" << interestHeader);
     
 	packet.AddHeader (interestHeader);
diff --git a/model/ccnx-interest-header.cc b/model/ccnx-interest-header.cc
index c77c441..f6295aa 100644
--- a/model/ccnx-interest-header.cc
+++ b/model/ccnx-interest-header.cc
@@ -234,6 +234,8 @@
   os << "<Interest>\n  <Name>" << GetName () << "</Name>\n";
   if (IsNack ())
     os << "  <NACK />\n";
+  if(IsCongested())
+    os << "  <CONGESTED />\n";
   if (GetMinSuffixComponents () >= 0)
     os << "  <MinSuffixComponents>" << GetMinSuffixComponents () << "</MinSuffixComponents>\n";
   if (GetMaxSuffixComponents () >= 0)