diff --git a/lib/mixins/vector.js b/lib/mixins/vector.js
index 62046df..df0fcf5 100644
--- a/lib/mixins/vector.js
+++ b/lib/mixins/vector.js
@@ -72,7 +72,7 @@ export default {
     if(!valid) {
       throw new Error(`dash(${JSON.stringify(originalLength)}, ${JSON.stringify(options)}) invalid, lengths must be numeric and greater than zero`);
     }
-    length = length.map(v => number(v)).join(' ');
+    length = length.map(number).join(' ');
     phase = options.phase || 0;
     return this.addContent(`[${length}] ${number(phase)} d`);
   },