diff --git a/LEGO1/mxvector.h b/LEGO1/mxvector.h
index f4117ebb..994e0743 100644
--- a/LEGO1/mxvector.h
+++ b/LEGO1/mxvector.h
@@ -134,7 +134,7 @@ class MxVector4 : public MxVector3
 class MxVector3Data : public MxVector3
 {
 public:
-  inline MxVector3Data() : MxVector3(&x) {}
+  inline MxVector3Data() : MxVector3(storage) {}
   inline MxVector3Data(float p_x, float p_y, float p_z)
     : MxVector3(&x)
     , x(p_x), y(p_y), z(p_z)
@@ -164,7 +164,7 @@ class MxVector3Data : public MxVector3
 class MxVector4Data : public MxVector4
 {
 public:
-  inline MxVector4Data() : MxVector4(&x) {}
+  inline MxVector4Data() : MxVector4(storage) {}
   union {
     float storage[4];
     struct {
@@ -176,4 +176,4 @@ class MxVector4Data : public MxVector4
   };
 };
 
-#endif // MXVECTOR_H
\ No newline at end of file
+#endif // MXVECTOR_H