diff --git a/Lib/test/test_binascii.py b/Lib/test/test_binascii.py
index c14f894..5b45f7d 100755
--- a/Lib/test/test_binascii.py
+++ b/Lib/test/test_binascii.py
@@ -113,3 +113,11 @@
 
 # Verify the treatment of Unicode strings
 verify(binascii.hexlify(u'a') == '61', "hexlify failed for Unicode")
+
+# A test for SF bug 534347 (segfaults without the proper fix)
+try:
+    binascii.a2b_qp("", **{1:1})
+except TypeError:
+    pass
+else:
+    raise TestFailed, "binascii..a2b_qp(**{1:1}) didn't raise TypeError"