diff --git a/Lib/test/output/test_extcall b/Lib/test/output/test_extcall
index cb93b0d..a569e53 100644
--- a/Lib/test/output/test_extcall
+++ b/Lib/test/output/test_extcall
@@ -9,6 +9,9 @@
 (1, 2, 3) {'a': 4, 'b': 5}
 (1, 2, 3, 4, 5) {'a': 6, 'b': 7}
 (1, 2, 3, 6, 7) {'a': 8, 'b': 9, 'x': 4, 'y': 5}
+(1, 2, 3) {'a': 4, 'b': 5}
+(1, 2, 3, 4, 5) {'a': 6, 'b': 7}
+(1, 2, 3, 6, 7) {'a': 8, 'b': 9, 'x': 4, 'y': 5}
 TypeError: g() takes at least 1 argument (0 given)
 TypeError: g() takes at least 1 argument (0 given)
 TypeError: g() takes at least 1 argument (0 given)
@@ -25,12 +28,12 @@
 g() got multiple values for keyword argument 'b'
 f() keywords must be strings
 h() got an unexpected keyword argument 'e'
-h() argument after * must be a sequence
-dir() argument after * must be a sequence
-NoneType object argument after * must be a sequence
-h() argument after ** must be a dictionary
-dir() argument after ** must be a dictionary
-NoneType object argument after ** must be a dictionary
+h() argument after * must be a sequence, not function
+dir() argument after * must be a sequence, not function
+NoneType object argument after * must be a sequence, not function
+h() argument after ** must be a mapping, not function
+dir() argument after ** must be a mapping, not function
+NoneType object argument after ** must be a mapping, not function
 dir() got multiple values for keyword argument 'b'
 3 512 True
 3
diff --git a/Lib/test/test_extcall.py b/Lib/test/test_extcall.py
index 284dbb2..96d1bc1 100644
--- a/Lib/test/test_extcall.py
+++ b/Lib/test/test_extcall.py
@@ -1,5 +1,6 @@
 from test.test_support import verify, verbose, TestFailed, sortdict
 from UserList import UserList
+from UserDict import UserDict
 
 def e(a, b):
     print a, b
@@ -25,6 +26,12 @@
 f(1, 2, 3, *(4, 5), **{'a':6, 'b':7})
 f(1, 2, 3, x=4, y=5, *(6, 7), **{'a':8, 'b':9})
 
+
+f(1, 2, 3, **UserDict(a=4, b=5))
+f(1, 2, 3, *(4, 5), **UserDict(a=6, b=7))
+f(1, 2, 3, x=4, y=5, *(6, 7), **UserDict(a=8, b=9))
+
+
 # Verify clearing of SF bug #733667
 try:
     e(c=3)