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)