diff --git a/include/fast_float/float_common.h b/include/fast_float/float_common.h
index 1316be33..dacbe708 100644
--- a/include/fast_float/float_common.h
+++ b/include/fast_float/float_common.h
@@ -1251,6 +1251,16 @@ constexpr chars_format adjust_for_feature_macros(chars_format fmt) {
       ;
 }
 } // namespace detail
+
+#ifdef __STDCPP_FLOAT64_T__
+template <>
+struct binary_format<std::float64_t> : public binary_format<double> {};
+#endif
+#ifdef __STDCPP_FLOAT32_T__
+template <>
+struct binary_format<std::float32_t> : public binary_format<float> {};
+#endif
+
 } // namespace fast_float
 
 #endif