diff --git a/include/math_utils.h b/include/math_utils.h
index a6b2847..0b66576 100644
--- a/include/math_utils.h
+++ b/include/math_utils.h
@@ -3,6 +3,8 @@
 
 #include "aliases/aliases.h"
 
+#define square(x) (x * x)
+
 i32 min(i32 a, i32 b);
 i32 max(i32 a, i32 b);