diff --git a/include/boost/charconv/detail/from_chars_integer_impl.hpp b/include/boost/charconv/detail/from_chars_integer_impl.hpp
index 50056f6..8c42560 100644
--- a/include/boost/charconv/detail/from_chars_integer_impl.hpp
+++ b/include/boost/charconv/detail/from_chars_integer_impl.hpp
@@ -59,7 +59,7 @@ constexpr unsigned char digit_from_char(char val) noexcept
 # pragma GCC diagnostic push
 # pragma GCC diagnostic ignored "-Woverflow"
 
-#elif defined(__GNUC__) && (__GNUC__ >= 9)
+#elif defined(__GNUC__) && (__GNUC__ >= 7)
 # pragma GCC diagnostic push
 # pragma GCC diagnostic ignored "-Wmaybe-uninitialized"