diff --git a/include/pybind11/common.h b/include/pybind11/common.h
index 50c09592a..dc50b7cfb 100644
--- a/include/pybind11/common.h
+++ b/include/pybind11/common.h
@@ -799,6 +799,8 @@ struct nodelete { template <typename T> void operator()(T*) { } };
 NAMESPACE_BEGIN(detail)
 template <typename... Args>
 struct overload_cast_impl {
+    constexpr overload_cast_impl() {} // MSVC 2015 needs this
+
     template <typename Return>
     constexpr auto operator()(Return (*pf)(Args...)) const noexcept
                               -> decltype(pf) { return pf; }