diff --git i/include/rapidcheck/Gen.hpp w/include/rapidcheck/Gen.hpp
index 0c48004..2eb143f 100644
--- i/include/rapidcheck/Gen.hpp
+++ w/include/rapidcheck/Gen.hpp
@@ -2,6 +2,8 @@
 
 #include <cassert>
 
+#include <exception>
+
 #include "rapidcheck/detail/Any.h"
 #include "rapidcheck/detail/ImplicitParam.h"
 #include "rapidcheck/gen/detail/GenerationHandler.h"