diff --git a/index.js b/index.js
index def2f97..d9684af 100644
--- a/index.js
+++ b/index.js
@@ -39,7 +39,7 @@ module.exports = {
   },
 
   name2port(name='') {
-    return name
+    let port = name.toLowerCase()
       .replace(/[abc]/g, 2)
       .replace(/[def]/g, 3)
       .replace(/[ghi]/g, 4)
@@ -48,5 +48,6 @@ module.exports = {
       .replace(/[pqrs]/g, 7)
       .replace(/[tuv]/g, 8)
       .replace(/[wxyz]/g, 9)
+    return parseInt(port)
   }
 }
\ No newline at end of file