diff --git a/Lib/ufoLib/validators.py b/Lib/ufoLib/validators.py
index 2ca789b9d..ab312337a 100644
--- a/Lib/ufoLib/validators.py
+++ b/Lib/ufoLib/validators.py
@@ -952,21 +952,26 @@ def fontLibValidator(value):
 	>>> fontLibValidator(lib)
 	(True, None)
 
-	>>> lib = {"public.glyphOrder" : [u"A", u"C", u"B"]}
-	>>> fontLibValidator(lib)
-	(True, None)
-
 	>>> lib = "hello"
-	>>> fontLibValidator(lib)
-	(False, 'The lib data is not in the correct format: expected a dictionary, found str')
+	>>> valid, msg = fontLibValidator(lib)
+	>>> valid
+	False
+	>>> print(msg)  # doctest: +ELLIPSIS
+	The lib data is not in the correct format: expected a dictionary, ...
 
 	>>> lib = {1: "hello"}
-	>>> fontLibValidator(lib)
-	(False, 'The lib key is not properly formatted: expected basestring, found int: 1')
+	>>> valid, msg = fontLibValidator(lib)
+	>>> valid
+	False
+	>>> print(msg)
+	The lib key is not properly formatted: expected basestring, found int: 1
 
 	>>> lib = {"public.glyphOrder" : "hello"}
-	>>> fontLibValidator(lib)
-	(False, 'public.glyphOrder is not properly formatted: expected list or tuple, found str')
+	>>> valid, msg = fontLibValidator(lib)
+	>>> valid
+	False
+	>>> print(msg)  # doctest: +ELLIPSIS
+	public.glyphOrder is not properly formatted: expected list or tuple,...
 
 	>>> lib = {"public.glyphOrder" : ["A", 1, "B"]}
 	>>> fontLibValidator(lib)
diff --git a/setup.cfg b/setup.cfg
index 8534e709d..338d356fe 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -40,6 +40,7 @@ license_file = LICENSE.txt
 minversion = 3.0.2
 testpaths = 
 	ufoLib
+doctest_optionflags = ALLOW_UNICODE ALLOW_BYTES
 addopts = 
 	-r a
 	--doctest-modules