diff --git a/test/variant_visit.cpp b/test/variant_visit.cpp
index ed7943e..4f9de24 100644
--- a/test/variant_visit.cpp
+++ b/test/variant_visit.cpp
@@ -37,6 +37,10 @@ struct F
 
 int main()
 {
+    {
+        BOOST_TEST_EQ( (visit( []{ return 5; } )), 5 );
+    }
+
     {
         variant<int> v( 1 );