diff --git a/victor/victor.d.ts b/victor/victor.d.ts
index 7812abcee..04cfc49be 100644
--- a/victor/victor.d.ts
+++ b/victor/victor.d.ts
@@ -125,6 +125,27 @@ declare class Victor
      * @param vector
      */
     multiply(vector:Victor):Victor;
+    
+    /**
+     * Multiplies both vector axis by the given scalar value
+     * 
+     * @param victor
+     */
+    multiplyScalar(scalar: number): Victor;
+
+    /**
+     * Multiplies the X axis by the given scalar
+     * 
+     * @param victor
+     */
+    multiplyScalarX(scalar: number): Victor;
+
+    /**
+     * Multiplies the Y axis by the given scalar
+     * 
+     * @param vector
+     */
+    multiplyScalarY(scalar: number): Victor;
 
     /**
      * Divides the X component by the X component of another vector.