diff --git a/fluent++/fluent++.hpp b/fluent++/fluent++.hpp
index e1a1ad2..9249e34 100644
--- a/fluent++/fluent++.hpp
+++ b/fluent++/fluent++.hpp
@@ -46,6 +46,7 @@ public:
     {
         released = false;
         right.released = true;
+        return *this;
     }
 
     template <typename Callback>