diff --git a/controller.py b/controller.py
index ef2a518..fe1e227 100644
--- a/controller.py
+++ b/controller.py
@@ -1,21 +1,20 @@
 # -*- coding: UTF-8 -*-
 
-from os import getcwd
 from subprocess import call
-from sys import argv, path
+from sys import argv
+from os.path import abspath, dirname, join
 
-path.append(getcwd())
+getcwd = dirname(abspath(__file__))
 
 from pyutil import printStackTrace
-currentPath = path[0] + "/"
-blend = currentPath + "avatar_Hozana_wikiLibras.blend"
-main = currentPath+"libras.py"
 
-if (len(argv) > 1):
-    try:
-        call(["blender", "-b", blend, "-P", main, argv[1]])
-        exit(0)
-    except:
-        printStackTrace(__file__)
+blend_path = join(getcwd, "avatar_Hozana_wikiLibras.blend")
+main_path = join(getcwd, "libras.py")
+restult = 0
 
-exit(1)
+try:
+    restult = call(["blender", "-b", blend_path, "-P", main_path, argv[1]])
+except:
+    restult = printStackTrace(__file__)
+
+exit(restult)
--
libgit2 0.21.2