diff --git a/src/testdir/test86.in b/src/testdir/test86.in
index 4714451..cc76cff 100644
--- a/src/testdir/test86.in
+++ b/src/testdir/test86.in
@@ -329,6 +329,8 @@
 :$put =string(l)
 :let d=pyeval('{"a": "b", "c": 1, "d": ["e"]}')
 :$put =sort(items(d))
+:let v:errmsg = ''
+:$put ='pyeval(\"None\") = ' . pyeval('None') . v:errmsg
 :if has('float')
 :   let f=pyeval('0.0')
 :   $put =string(f)
diff --git a/src/testdir/test86.ok b/src/testdir/test86.ok
index 5cb0ac5..d103909 100644
--- a/src/testdir/test86.ok
+++ b/src/testdir/test86.ok
@@ -86,6 +86,7 @@
 ['a', 'b']
 ['c', 1]
 ['d', ['e']]
+pyeval("None") = 0
 0.0
 "\0":	Vim(let):E859:
 {"\0": 1}:	Vim(let):E859:
diff --git a/src/testdir/test87.in b/src/testdir/test87.in
index 41d4065..154e823 100644
--- a/src/testdir/test87.in
+++ b/src/testdir/test87.in
@@ -326,6 +326,8 @@
 :$put =string(l)
 :let d=py3eval('{"a": "b", "c": 1, "d": ["e"]}')
 :$put =sort(items(d))
+:let v:errmsg = ''
+:$put ='py3eval(\"None\") = ' . py3eval('None') . v:errmsg
 :if has('float')
 :   let f=py3eval('0.0')
 :   $put =string(f)
diff --git a/src/testdir/test87.ok b/src/testdir/test87.ok
index 7771733..1d9b6e2 100644
--- a/src/testdir/test87.ok
+++ b/src/testdir/test87.ok
@@ -86,6 +86,7 @@
 ['a', 'b']
 ['c', 1]
 ['d', ['e']]
+py3eval("None") = 0
 0.0
 "\0":	Vim(let):E859:
 {"\0": 1}:	Vim(let):E859: