diff --git a/src/Cuboid.cpp b/src/Cuboid.cpp
index d97447412..26e86c77b 100644
--- a/src/Cuboid.cpp
+++ b/src/Cuboid.cpp
@@ -24,6 +24,17 @@ static bool DoIntervalsIntersect(int a_Min1, int a_Max1, int a_Min2, int a_Max2)
 ////////////////////////////////////////////////////////////////////////////////
 // cCuboid:
 
+cCuboid & cCuboid::operator=(cCuboid a_Other)
+{
+	std::swap(p1, a_Other.p1);
+	std::swap(p2, a_Other.p2);
+	return *this;
+}
+
+
+
+
+
 void cCuboid::Assign(int a_X1, int a_Y1, int a_Z1, int a_X2, int a_Y2, int a_Z2)
 {
 	p1.x = a_X1;
diff --git a/src/Cuboid.h b/src/Cuboid.h
index 960af130b..7bdb21b00 100644
--- a/src/Cuboid.h
+++ b/src/Cuboid.h
@@ -19,6 +19,8 @@ public:
 	cCuboid(const Vector3i & a_p1, const Vector3i & a_p2) : p1(a_p1), p2(a_p2) {}
 	cCuboid(int a_X1, int a_Y1, int a_Z1) : p1(a_X1, a_Y1, a_Z1), p2(a_X1, a_Y1, a_Z1) {}
 	cCuboid(int a_X1, int a_Y1, int a_Z1, int a_X2, int a_Y2, int a_Z2) : p1(a_X1, a_Y1, a_Z1), p2(a_X2, a_Y2, a_Z2) {}
+	
+	cCuboid & operator=(cCuboid a_Other);
 
 	void Assign(int a_X1, int a_Y1, int a_Z1, int a_X2, int a_Y2, int a_Z2);
 	void Assign(const cCuboid & a_SrcCuboid);