diff --git a/Lib/unittest.py b/Lib/unittest.py
index 9163e84..cde310f 100644
--- a/Lib/unittest.py
+++ b/Lib/unittest.py
@@ -759,8 +759,8 @@
         self.runTests()
 
     def usageExit(self, msg=None):
-        if msg: print msg
-        print self.USAGE % self.__dict__
+        if msg: print(msg)
+        print(self.USAGE % self.__dict__)
         sys.exit(2)
 
     def parseArgs(self, argv):