diff --git a/libstdc++-v3/include/bits/ranges_algobase.h b/libstdc++-v3/include/bits/ranges_algobase.h
index 2a36ba69775a90f69c886543cc7e180fdebaf023..40c628b38182df34b3f287311b9f444834b08c0a 100644
--- a/libstdc++-v3/include/bits/ranges_algobase.h
+++ b/libstdc++-v3/include/bits/ranges_algobase.h
@@ -286,7 +286,7 @@ namespace ranges
 	{
 	  if (!std::__is_constant_evaluated())
 	    {
-	      if constexpr (__memcpyable<_Iter, _Out>::__value)
+	      if constexpr (__memcpyable<_Out, _Iter>::__value)
 		{
 		  using _ValueTypeI = iter_value_t<_Iter>;
 		  auto __num = __last - __first;