diff --git a/util/grid2.hpp b/util/grid2.hpp
index 70684b4..9077aeb 100644
--- a/util/grid2.hpp
+++ b/util/grid2.hpp
@@ -1,8 +1,8 @@
 #ifndef GRID2_HPP
 #define GRID2_HPP
 
-#include "Vec2.hpp"
-#include "Vec4.hpp"
+#include "vec2.hpp"
+#include "vec4.hpp"
 #include <vector>
 #include <cstdint>
 #include <algorithm>
@@ -228,4 +228,4 @@ public:
     }
 };
 
-#endif
\ No newline at end of file
+#endif
diff --git a/util/Vec2.hpp b/util/vec2.hpp
similarity index 100%
rename from util/Vec2.hpp
rename to util/vec2.hpp