diff --git a/include/boost/math/special_functions/binomial.hpp b/include/boost/math/special_functions/binomial.hpp
index 9a24fc15b..2bbc1fb25 100644
--- a/include/boost/math/special_functions/binomial.hpp
+++ b/include/boost/math/special_functions/binomial.hpp
@@ -63,7 +63,13 @@ T binomial_coefficient(unsigned n, unsigned k, const Policy& pol)
 template <>
 inline float binomial_coefficient<float, policies::policy<> >(unsigned n, unsigned k, const policies::policy<>& pol)
 {
-   return policies::checked_narrowing_cast<float, policies::policy<> >(binomial_coefficient<double>(n, k, pol), "boost::math::binomial_coefficient<%1%>(unsigned,unsigned)");
+   typedef policies::normalise<
+       policies::policy<>,
+       policies::promote_float<true>,
+       policies::promote_double<false>,
+       policies::discrete_quantile<>,
+       policies::assert_undefined<> >::type forwarding_policy;
+   return policies::checked_narrowing_cast<float, forwarding_policy>(binomial_coefficient<double>(n, k, forwarding_policy()), "boost::math::binomial_coefficient<%1%>(unsigned,unsigned)");
 }
 
 template <class T>