diff --git a/websocketpp/processors/hybi13.hpp b/websocketpp/processors/hybi13.hpp
index 1d2015b9dc..7485b6aed7 100644
--- a/websocketpp/processors/hybi13.hpp
+++ b/websocketpp/processors/hybi13.hpp
@@ -837,6 +837,8 @@ protected:
     /**
      * Validates an incoming hybi13 full header.
      *
+     * \todo unit test for the >32 bit frames on 32 bit systems case
+     *
      * @param h The basic header to validate
      *
      * @param e The extended header to validate
@@ -864,7 +866,6 @@ protected:
         }
 
         // Check for >32bit frames on 32 bit systems
-        // TODO: unit test for this case
         if (sizeof(size_t) == 4 && (payload_size >> 32)) {
             return make_error_code(error::requires_64bit);
         }