diff --git a/src/nlsr_fe.hpp b/src/nlsr_fe.hpp
index 2297315..fde32c8 100644
--- a/src/nlsr_fe.hpp
+++ b/src/nlsr_fe.hpp
@@ -8,6 +8,8 @@
 #include "nlsr_nexthop.hpp"
 #include "nlsr_nhl.hpp"
 
+namespace nlsr {
+
 using namespace std;
 
 class FibEntry
@@ -77,4 +79,6 @@
 
 ostream& operator<<(ostream& os, FibEntry& fe);
 
+} //namespace nlsr
+
 #endif