diff --git a/include/fmt/format-inl.h b/include/fmt/format-inl.h
index e163f333..d8956822 100644
--- a/include/fmt/format-inl.h
+++ b/include/fmt/format-inl.h
@@ -683,7 +683,7 @@ template <int GRISU_VERSION> struct grisu_shortest_handler {
 };
 
 template <typename Double, FMT_ENABLE_IF_T(sizeof(Double) == sizeof(uint64_t))>
-FMT_FUNC FMT_API bool grisu_format(Double value, buffer<char>& buf, int precision,
+FMT_FUNC bool grisu_format(Double value, buffer<char>& buf, int precision,
                            unsigned options, int& exp) {
   FMT_ASSERT(value >= 0, "value is negative");
   bool fixed = (options & grisu_options::fixed) != 0;