diff --git a/include/fast_float/ascii_number.h b/include/fast_float/ascii_number.h
index ced5aad..567ff01 100644
--- a/include/fast_float/ascii_number.h
+++ b/include/fast_float/ascii_number.h
@@ -393,8 +393,9 @@ parse_digits_until_19(char const *&p, char const *pend, am_mant_t &mantissa) {
 #endif
 
 template <typename UC>
-fastfloat_really_inline constexpr void parse_digits_until_19(
-    UC const *&p, UC const *pend, am_mant_t &mantissa) noexcept {
+fastfloat_really_inline constexpr void
+parse_digits_until_19(UC const *&p, UC const *pend,
+                      am_mant_t &mantissa) noexcept {
   do {
     mantissa = mantissa * 10 + static_cast<am_mant_t>(*p - UC('0'));
   } while ((++p != pend) && (mantissa < minimal_nineteen_digit_integer));