diff --git a/src/ox/std/std.hpp b/src/ox/std/std.hpp
index 321644707..2a28889e2 100644
--- a/src/ox/std/std.hpp
+++ b/src/ox/std/std.hpp
@@ -8,6 +8,7 @@
 
 #pragma once
 
+#include "assert.hpp"
 #include "bitops.hpp"
 #include "byteswap.hpp"
 #include "math.hpp"