diff --git a/README.md b/README.md
index 135dfa1..53d6c3d 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,7 @@ var options = {
   user: 'username',
   host: 'myServer',
   port: '22',
+  identity_file: '~/.ssh/MyKeyFlie.pem',
   path: '~'
 }
 
diff --git a/scp.js b/scp.js
index 9c78819..410be75 100644
--- a/scp.js
+++ b/scp.js
@@ -15,6 +15,7 @@ scp.send = function (options, cb) {
     '-r',
     '-P',
     (options.port == undefined ? '22' : options.port),
+    (options.identity_file == undefined ? '' : '-i ' + options.identity_file),
     '-o "ControlMaster no"', //callback is not fired if ssh sessions are shared
     options.file,
     (options.user == undefined ? '' : options.user+'@') + options.host + ':' + options.path,
@@ -37,6 +38,7 @@ scp.get = function (options, cb) {
     '-r',
     '-P',
     (options.port == undefined ? '22' : options.port),
+    (options.identity_file == undefined ? '' : '-i ' + options.identity_file),
     '-o "ControlMaster no"', //callback is not fired if ssh sessions are shared
     (options.user == undefined ? '' : options.user+'@') + options.host + ':' + options.file,
     options.path