diff --git a/deps/ox/src/ox/std/typetraits.hpp b/deps/ox/src/ox/std/typetraits.hpp
index d06cbe2a..a0d2ffb0 100644
--- a/deps/ox/src/ox/std/typetraits.hpp
+++ b/deps/ox/src/ox/std/typetraits.hpp
@@ -19,7 +19,7 @@
 namespace std {
 
 template<typename T>
-constexpr bool is_union_v<T> = __is_union(T);
+constexpr bool is_union_v = __is_union(T);
 
 }