diff --git a/CHANGELOG.md b/CHANGELOG.md
index 40fa2b43..6a809e3e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@ Version 70:
 * Serialize in one step when possible
 * Add basic_parser header and body limits
 * Add parser::on_header to set a callback
+* Fix BEAST_FALLTHROUGH
 
 API Changes:
 
diff --git a/include/beast/core/detail/config.hpp b/include/beast/core/detail/config.hpp
index 100348cc..461ca38b 100644
--- a/include/beast/core/detail/config.hpp
+++ b/include/beast/core/detail/config.hpp
@@ -14,7 +14,7 @@
 #if BOOST_VERSION >= 106500 || ! defined(BOOST_GCC) || BOOST_GCC < 70000
 # define BEAST_FALLTHROUGH BOOST_FALLTHROUGH
 #else
-# define BEAST_FALLTHROUGH _attribute__((fallthrough))
+# define BEAST_FALLTHROUGH __attribute__((fallthrough))
 #endif
 
 #endif