diff --git a/src/line.hpp b/src/line.hpp
index 9b12d3a..edbd38e 100644
--- a/src/line.hpp
+++ b/src/line.hpp
@@ -44,6 +44,8 @@ namespace cloonel {
 
 		Line& operator+= ( const Point& parRhs ) __attribute__((flatten));
 		Line& operator-= ( const Point& parRhs ) __attribute__((flatten));
+		template <typename U>
+		Line& operator*= ( const Vector<U, S>& parRhs ) __attribute__((flatten));
 
 	private:
 		Vector<Point, 2> m_points;
@@ -57,6 +59,10 @@ namespace cloonel {
 	Line<T, S> operator+ ( const Vector<T, S>& parLhs, Line<T, S> parRhs ) __attribute__((pure)) __attribute__((flatten));
 	template <typename T, uint32_t S>
 	Line<T, S> operator- ( const Vector<T, S>& parLhs, Line<T, S> parRhs ) __attribute__((pure)) __attribute__((flatten));
+	template <typename T, typename U, uint32_t S>
+	Line<T, S> operator* ( const Vector<U, S>& parLhs, Line<T, S> parRhs ) __attribute__((pure)) __attribute__((flatten));
+	template <typename T, typename U, uint32_t S>
+	Line<T, S> operator* ( Line<T, S> parLhs, const Vector<U, S>& parRhs ) __attribute__((pure)) __attribute__((flatten));
 
 	template <typename T>
 	bool operator> ( const Vector<T, 2>& parLhs, const Line<T, 2>& parRhs ) __attribute__((pure));
diff --git a/src/line.inl b/src/line.inl
index 6aae70b..354fb23 100644
--- a/src/line.inl
+++ b/src/line.inl
@@ -44,7 +44,17 @@ namespace cloonel {
 	///--------------------------------------------------------------------------
 	///--------------------------------------------------------------------------
 	template <typename T, uint32_t S>
-	Line<T, S> operator+ ( const Vector<T, S>& parLhs, Line<T, S> parRhs ) {
+	template <typename U>
+	Line<T, S>& Line<T, S>::operator*= (const Vector<U, S>& parRhs) {
+		m_points.x() = static_cast<Point>(m_points.x() * parRhs);
+		m_points.y() = static_cast<Point>(m_points.y() * parRhs);
+		return *this;
+	}
+
+	///--------------------------------------------------------------------------
+	///--------------------------------------------------------------------------
+	template <typename T, uint32_t S>
+	Line<T, S> operator+ (const Vector<T, S>& parLhs, Line<T, S> parRhs) {
 		parRhs += parLhs;
 		return parRhs;
 	}
@@ -52,7 +62,7 @@ namespace cloonel {
 	///--------------------------------------------------------------------------
 	///--------------------------------------------------------------------------
 	template <typename T, uint32_t S>
-	Line<T, S> operator- ( const Vector<T, S>& parLhs, Line<T, S> parRhs ) {
+	Line<T, S> operator- (const Vector<T, S>& parLhs, Line<T, S> parRhs) {
 		parRhs -= parLhs;
 		return parRhs;
 	}
@@ -60,7 +70,7 @@ namespace cloonel {
 	///--------------------------------------------------------------------------
 	///--------------------------------------------------------------------------
 	template <typename T, uint32_t S>
-	Line<T, S> operator+ ( Line<T, S> parLhs, const Vector<T, S>& parRhs ) {
+	Line<T, S> operator+ (Line<T, S> parLhs, const Vector<T, S>& parRhs) {
 		parLhs += parRhs;
 		return parLhs;
 	}
@@ -68,11 +78,27 @@ namespace cloonel {
 	///--------------------------------------------------------------------------
 	///--------------------------------------------------------------------------
 	template <typename T, uint32_t S>
-	Line<T, S> operator- ( Line<T, S> parLhs, const Vector<T, S>& parRhs ) {
+	Line<T, S> operator- (Line<T, S> parLhs, const Vector<T, S>& parRhs) {
 		parLhs -= parRhs;
 		return parLhs;
 	}
 
+	///--------------------------------------------------------------------------
+	///--------------------------------------------------------------------------
+	template <typename T, typename U, uint32_t S>
+	Line<T, S> operator* (const Vector<U, S>& parLhs, Line<T, S> parRhs) {
+		parRhs *= parLhs;
+		return parRhs;
+	}
+
+	///--------------------------------------------------------------------------
+	///--------------------------------------------------------------------------
+	template <typename T, typename U, uint32_t S>
+	Line<T, S> operator* (Line<T, S> parLhs, const Vector<U, S>& parRhs) {
+		parLhs *= parRhs;
+		return parLhs;
+	}
+
 	///--------------------------------------------------------------------------
 	///--------------------------------------------------------------------------
 	template <typename T>