diff --git a/luprex/cpp/core/animqueue.cpp b/luprex/cpp/core/animqueue.cpp
index ad99e0c2..da419582 100644
--- a/luprex/cpp/core/animqueue.cpp
+++ b/luprex/cpp/core/animqueue.cpp
@@ -1,3 +1,5 @@
+#define _USE_MATH_DEFINES
+
 #include "wrap-sstream.hpp"
 #include "wrap-map.hpp"
 #include "util.hpp"
@@ -5,8 +7,6 @@
 #include "luastack.hpp"
 #include "streambuffer.hpp"
 
-#define _USE_MATH_DEFINES
-
 #include <limits>
 #include <cmath>
 #include <cstdlib>