diff --git a/json.cpp.rl b/json.cpp.rl
index 8d311ebc..ab53c8c5 100644
--- a/json.cpp.rl
+++ b/json.cpp.rl
@@ -560,5 +560,5 @@ json::null::write (std::ostream &os) const {
 }
 
 ostream&
-operator <<(ostream &os, const json::node &n)
+json::operator <<(ostream &os, const json::node &n)
     { return n.write (os); }
diff --git a/json.hpp b/json.hpp
index 4714b1ce..0ac699e8 100644
--- a/json.hpp
+++ b/json.hpp
@@ -276,11 +276,10 @@ namespace json {
 
     template <typename T>
     T&& from_json (const json::node&);
+
+    std::ostream&
+    operator <<(std::ostream &os, const json::node &n);
 }
 
-
-std::ostream&
-operator <<(std::ostream &os, const json::node &n);
-
 #endif