diff --git a/libstdc++-v3/include/std/chrono b/libstdc++-v3/include/std/chrono
index 8d73d98e4cb9..38ecd3142bcd 100644
--- a/libstdc++-v3/include/std/chrono
+++ b/libstdc++-v3/include/std/chrono
@@ -2433,7 +2433,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 	template<typename _Rep, typename _Period>
 	  requires (!treat_as_floating_point_v<_Rep>)
 	    && ratio_less_v<_Period, ratio<1, 250>>
-	    && (ratio_greater_equal_v<_Period, ratio<1, 4'000'000'000>>
+	    && (ratio_greater_equal_v<_Period, ratio<1, 4000000000>>
 		  || __fits<uint_least32_t>)
 	  struct __subseconds<duration<_Rep, _Period>>
 	  {