diff --git a/src/nlsr_npte.cpp b/src/nlsr_npte.cpp
index 65f2722..d9cb54f 100644
--- a/src/nlsr_npte.cpp
+++ b/src/nlsr_npte.cpp
@@ -4,6 +4,8 @@
 #include "nlsr_rte.hpp"
 #include "nlsr_nexthop.hpp"
 
+namespace nlsr {
+
 using namespace std;
 
 void
@@ -76,3 +78,5 @@
 
 	return os;
 }
+
+}//namespace nlsr