diff --git a/tests/std/tests/P0896R4_views_istream/test.cpp b/tests/std/tests/P0896R4_views_istream/test.cpp
index a8f09acf3e..ccc9ae46de 100644
--- a/tests/std/tests/P0896R4_views_istream/test.cpp
+++ b/tests/std/tests/P0896R4_views_istream/test.cpp
@@ -29,7 +29,7 @@ struct streamable {
 };
 
 template <class T>
-constexpr bool test_one_type() {
+bool test_one_type() {
     using ranges::basic_istream_view;
 
     // validate type properties