diff --git a/src/main.cpp b/src/main.cpp
index d00ac5c..4506d8e 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -11,6 +11,11 @@
 #include "state.h"
 #include "notify.h"
 
+/// === NOTE: HMM IS FUCKY! MAKE SURE THIS STAYS BELOW THE ABOVE HEADERS === ///
+#define HANDMADE_MATH_IMPLEMENTATION
+#define HANDMADE_MATH_CPP_MODE
+#include <HandmadeMath.h>
+
 #define CLEAR_COLOR 0.0, 0.0, 0.0, 1.0
 
 static void glfw_error_callback(int error, const char* description) {