diff --git a/requirements.txt b/requirements.txt
index 7a56cdf..8b1b8a1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 aggdraw
 matplotlib
+tk
diff --git a/view.py b/view.py
index 38422f5..f93c736 100755
--- a/view.py
+++ b/view.py
@@ -2,7 +2,7 @@
 # -*- coding: utf-8 -*-
 #Copyright (C) 2014 Chris Hinsley All Rights Reserved
 
-import os, sys, argparse, select, Tkinter, aggdraw
+import os, sys, argparse, select, tkinter, aggdraw
 from ast import literal_eval
 from itertools import izip, islice, chain
 from PIL import Image, ImageTk
@@ -169,7 +169,7 @@ def doframe(dimensions, root, canvas, poll):
 							ctx.polygon(points, black_brush)
 	ctx.flush()
 	photo = ImageTk.PhotoImage(image)
-	canvas.create_image(0, 0, image = photo, anchor = Tkinter.NW)
+	canvas.create_image(0, 0, image = photo, anchor = tkinter.NW)
 	root.update()
 	root.after(0, doframe, dimensions, root, canvas, poll)
 
@@ -203,16 +203,16 @@ def main():
 	else:
 		pcb_height = int(pcb_height * pcb_depth * scale)
 
-	root = Tkinter.Tk()
+	root = tkinter.Tk()
 	root.maxsize(pcb_width, pcb_height)
 	root.minsize(pcb_width, pcb_height)
 	root.title("PCB Veiwer")
-	menu_bar = Tkinter.Menu(root)
-	sub_menu = Tkinter.Menu(menu_bar)
+	menu_bar = tkinter.Menu(root)
+	sub_menu = tkinter.Menu(menu_bar)
 	menu_bar.add_cascade(label = 'Help', menu = sub_menu)
 	sub_menu.add_command(label = 'About', command = about_menu_handler)
 	root['menu'] = menu_bar
-	canvas = Tkinter.Canvas(root, width = pcb_width, height = pcb_height)
+	canvas = tkinter.Canvas(root, width = pcb_width, height = pcb_height)
 	canvas['background'] = 'black'
 	canvas.pack()