diff --git a/changelog.d/891.misc.rst b/changelog.d/891.misc.rst
new file mode 100644
index 000000000..842a13c65
--- /dev/null
+++ b/changelog.d/891.misc.rst
@@ -0,0 +1,2 @@
+Added tests for tzinfos input types, fix missed case of invalid type.
+Patch by @jbrockmendel (gh pr #891)
diff --git a/dateutil/test/test_parser.py b/dateutil/test/test_parser.py
index 3f6ccfc31..eda89e06c 100644
--- a/dateutil/test/test_parser.py
+++ b/dateutil/test/test_parser.py
@@ -262,15 +262,15 @@ def test_invalid_tzinfo_input(self):
 
     def test_valid_tzinfo_tzinfo_input(self):
         dstr = "2014 January 19 09:00 UTC"
-        tzinfos = {"UTC": tz.tzutc()}
-        expected = datetime(2014, 1, 19, 9, tzinfo=tz.tzutc())
+        tzinfos = {"UTC": tz.UTC}
+        expected = datetime(2014, 1, 19, 9, tzinfo=tz.UTC)
         res = parse(dstr, tzinfos=tzinfos)
         assert res == expected
 
     def test_valid_tzinfo_unicode_input(self):
         dstr = "2014 January 19 09:00 UTC"
         tzinfos = {u"UTC": u"UTC+0"}
-        expected = datetime(2014, 1, 19, 9, tzinfo=tz.tzutc())
+        expected = datetime(2014, 1, 19, 9, tzinfo=tz.UTC)
         res = parse(dstr, tzinfos=tzinfos)
         assert res == expected
 
@@ -280,7 +280,7 @@ def test_valid_tzinfo_callable_input(self):
         def tzinfos(*args, **kwargs):
             return u"UTC+0"
 
-        expected = datetime(2014, 1, 19, 9, tzinfo=tz.tzutc())
+        expected = datetime(2014, 1, 19, 9, tzinfo=tz.tzstr("UTC+0"))
         res = parse(dstr, tzinfos=tzinfos)
         assert res == expected
 
@@ -289,7 +289,7 @@ def tzinfos(*args, **kwargs):
     def test_valid_tzinfo_int_input(self):
         dstr = "2014 January 19 09:00 UTC"
         tzinfos = {u"UTC": -28800}
-        expected = datetime(2014, 1, 19, 9, tzinfo=tz.tzutc())
+        expected = datetime(2014, 1, 19, 9, tzinfo=tz.UTC)
         res = parse(dstr, tzinfos=tzinfos)
         assert res == expected