From f5727af40e040eb30aff8b5dcfb567ffd08cef40 Mon Sep 17 00:00:00 2001
From: Ivan Kravets <me@ikravets.com>
Date: Wed, 15 Jun 2016 13:25:35 +0300
Subject: [PATCH] Fix upload size checker

---
 platformio/builder/tools/pioupload.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/platformio/builder/tools/pioupload.py b/platformio/builder/tools/pioupload.py
index e22a724f..5c7730ac 100644
--- a/platformio/builder/tools/pioupload.py
+++ b/platformio/builder/tools/pioupload.py
@@ -157,7 +157,7 @@ def CheckUploadSize(_, target, source, env):  # pylint: disable=W0613,W0621
     print "Check program size..."
     sysenv = environ.copy()
     sysenv['PATH'] = str(env['ENV']['PATH'])
-    cmd = [env.subst("$SIZETOOL"), "-B", str(source[0])]
+    cmd = [env.subst("$SIZETOOL"), "-B", str(target[0])]
     result = util.exec_command(cmd, env=sysenv)
     if result['returncode'] != 0:
         return