diff --git a/src/game.h b/src/game.h
index 9f5da08..a3e4f1f 100644
--- a/src/game.h
+++ b/src/game.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#define GLM_FORCE_XYZW_ONLY
 #include <glm/glm.hpp>
 using glm::vec3;
 using glm::dvec3;
diff --git a/src/main.cpp b/src/main.cpp
index 748f05b..8c29a4d 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -24,6 +24,7 @@
 #include <cmath>
 
 #include <SDL2/SDL.h>
+#define GLM_FORCE_XYZW_ONLY
 #include <glm/glm.hpp>
 #include <glm/gtc/matrix_transform.hpp>