diff --git a/src/util/math.h b/src/util/math.h
index 673eda4cb6fe..ea9f5768bde4 100644
--- a/src/util/math.h
+++ b/src/util/math.h
@@ -34,7 +34,7 @@ constexpr T math_clamp(T value, T min, T max) {
 // to manually convert so they are aware of the conversion.
 template<typename T>
 // since we also want to this to work on size_t and ptrdiff_t, is_integer would be too strict.
-requires std::is_arithmetic_v<T> && !std::is_floating_point_v<T> constexpr bool even(T value) {
+requires(std::is_arithmetic_v<T> && !std::is_floating_point_v<T>) constexpr bool even(T value) {
     return value % 2 == 0;
 }