diff --git a/kcc.py b/kcc.py
index 6318991..8de8c09 100644
--- a/kcc.py
+++ b/kcc.py
@@ -24,8 +24,10 @@ __docformat__ = 'restructuredtext en'
 from Tkinter import *
 from kcc import gui
 from sys import platform
+from multiprocessing import freeze_support
 import os
 
+freeze_support()
 root = Tk()
 root.resizable(width=False, height=False)
 root.config(padx=5, pady=5, takefocus=True)
diff --git a/kcc/comic2ebook.py b/kcc/comic2ebook.py
index f3e26d0..07b6fff 100755
--- a/kcc/comic2ebook.py
+++ b/kcc/comic2ebook.py
@@ -32,7 +32,7 @@ from shutil import copytree
 from shutil import rmtree
 from shutil import make_archive
 from optparse import OptionParser
-from multiprocessing import Pool
+from multiprocessing import Pool, freeze_support
 import image
 import cbxarchive
 import pdfjpgextract
@@ -732,6 +732,7 @@ def getEpubPath():
 
 
 if __name__ == "__main__":
+    freeze_support()
     Copyright()
     main(sys.argv[1:])
     sys.exit(0)