diff --git a/tests/unit/test_winVersion.py b/tests/unit/test_winVersion.py
index b5caa551bd6..47e80ce2a45 100644
--- a/tests/unit/test_winVersion.py
+++ b/tests/unit/test_winVersion.py
@@ -24,7 +24,7 @@ def test_getWinVer(self):
 
 	def test_getWinVerFromNonExistentRelease(self):
 		# Test the fact that there is no Windows 10 2003 (2004 exists, however).
-		with self.assertRaises(IndexError):
+		with self.assertRaises(AttributeError):
 			winVersion.WIN10_2003
 
 	def test_moreRecentWinVer(self):