diff --git a/_init_path.py b/_init_path.py
new file mode 100644
index 00000000..554e26a5
--- /dev/null
+++ b/_init_path.py
@@ -0,0 +1,8 @@
+"""Set up paths"""
+import sys
+
+def add_path(path):
+    if path not in sys.path:
+        sys.path.insert(0, path)
+
+add_path('libs')
diff --git a/labelImg.py b/labelImg.py
index be6cb0aa..946c3552 100755
--- a/labelImg.py
+++ b/labelImg.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # -*- coding: utf8 -*-
-
+import _init_path
 import os.path
 import re
 import sys
diff --git a/canvas.py b/libs/canvas.py
similarity index 100%
rename from canvas.py
rename to libs/canvas.py
diff --git a/colorDialog.py b/libs/colorDialog.py
similarity index 100%
rename from colorDialog.py
rename to libs/colorDialog.py
diff --git a/labelDialog.py b/libs/labelDialog.py
similarity index 94%
rename from labelDialog.py
rename to libs/labelDialog.py
index bbffa2c2..5c96e5bf 100644
--- a/labelDialog.py
+++ b/libs/labelDialog.py
@@ -3,9 +3,6 @@ from PyQt4.QtCore import *
 
 from lib import newIcon, labelValidator
 
-# TODO:
-# - Calculate optimal position so as not to go out of screen area.
-
 BB = QDialogButtonBox
 
 class LabelDialog(QDialog):
diff --git a/labelFile.py b/libs/labelFile.py
similarity index 100%
rename from labelFile.py
rename to libs/labelFile.py
diff --git a/lib.py b/libs/lib.py
similarity index 100%
rename from lib.py
rename to libs/lib.py
diff --git a/pascal_voc_writer.py b/libs/pascal_voc_writer.py
similarity index 100%
rename from pascal_voc_writer.py
rename to libs/pascal_voc_writer.py
diff --git a/shape.py b/libs/shape.py
similarity index 100%
rename from shape.py
rename to libs/shape.py
diff --git a/toolBar.py b/libs/toolBar.py
similarity index 100%
rename from toolBar.py
rename to libs/toolBar.py
diff --git a/zoomWidget.py b/libs/zoomWidget.py
similarity index 100%
rename from zoomWidget.py
rename to libs/zoomWidget.py