diff --git a/Lib/test/test_zlib.py b/Lib/test/test_zlib.py
index adb87ff..d1e1796 100644
--- a/Lib/test/test_zlib.py
+++ b/Lib/test/test_zlib.py
@@ -81,7 +81,7 @@
 
     def test_baddecompressobj(self):
         # verify failure on building decompress object with bad params
-        self.assertRaises(ValueError, zlib.decompressobj, 0)
+        self.assertRaises(ValueError, zlib.decompressobj, -1)
 
     def test_decompressobj_badflush(self):
         # verify failure on calling decompressobj.flush with bad params
diff --git a/Misc/NEWS b/Misc/NEWS
index 92bef1c..3595306 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -72,6 +72,11 @@
   variable anymore.  It also forwards the LDFLAGS settings to the linker
   when building a shared library.
 
+Tests
+-----
+
+- Issue #8193: Fix test_zlib failure with zlib 1.2.4.
+
 
 What's New in Python 2.6.5?
 ===========================