diff --git a/include/uml/Vector4.h b/include/uml/Vector4.h
index 82f5bff..6d928f4 100644
--- a/include/uml/Vector4.h
+++ b/include/uml/Vector4.h
@@ -7,7 +7,7 @@
 
 namespace uml
 {
-    class Vector4 final : public Vector3
+    class Vector4 : public Vector3
     {
     public:
         float w = 0.f;
diff --git a/source/Vector4.cpp b/source/Vector4.cpp
index 9d3c3f2..fadd177 100644
--- a/source/Vector4.cpp
+++ b/source/Vector4.cpp
@@ -2,7 +2,7 @@
 // Vector4.cpp
 //
 
-#include "Vector4.h"
+#include "uml/Vector4.h"
 #include <cmath>
 
 namespace uml