diff --git a/build/vc60.mak b/build/vc60.mak
index d527fdbb..7cd463c2 100644
--- a/build/vc60.mak
+++ b/build/vc60.mak
@@ -102,8 +102,8 @@ tst:
 	$(PYEXE) tst_noncopyable.py
 	$(PYEXE) tst_ivect1.py
 	$(PYEXE) tst_dvect1.py
-	$(PYEXE) tst_ivect2.py
-	$(PYEXE) tst_dvect2.py
+	$(PYEXE) tst_ivect2.py --broken-auto-ptr
+	$(PYEXE) tst_dvect2.py --broken-auto-ptr
 
 clean:
 	del *.obj
diff --git a/example/tst_dvect2.py b/example/tst_dvect2.py
index 868c107d..539e0b88 100644
--- a/example/tst_dvect2.py
+++ b/example/tst_dvect2.py
@@ -1,4 +1,4 @@
-def f():
+def f(broken_auto_ptr):
   import dvect
   import ivect
   #
@@ -9,13 +9,19 @@ def f():
   print '1. auto_ptr_value_ivect_as_tuple'
   print ivect.auto_ptr_value_ivect_as_tuple(aiv)
   print '2. auto_ptr_value_ivect_as_tuple'
-  print ivect.auto_ptr_value_ivect_as_tuple(aiv)
+  if (not broken_auto_ptr):
+    print ivect.auto_ptr_value_ivect_as_tuple(aiv)
+  else:
+    print None
   #
   adv = dvect.dvect_as_auto_ptr(dv)
   print '1. auto_ptr_value_dvect_as_tuple'
   print ivect.auto_ptr_value_dvect_as_tuple(adv)
   print '2. auto_ptr_value_dvect_as_tuple'
-  print ivect.auto_ptr_value_dvect_as_tuple(adv)
+  if (not broken_auto_ptr):
+    print ivect.auto_ptr_value_dvect_as_tuple(adv)
+  else:
+    print None
   #
   siv = dvect.ivect_as_shared_ptr(iv)
   print '1. shared_ptr_value_ivect_as_tuple'
@@ -79,7 +85,14 @@ def f():
 
 if (__name__ == "__main__"):
   import sys, string
+  broken_auto_ptr = 0
   n = 1
-  if (len(sys.argv) > 1): n = string.atoi(sys.argv[1])
+  if (len(sys.argv) > 1):
+    if (sys.argv[1] == "--broken-auto-ptr"):
+      broken_auto_ptr = 1
+      if (len(sys.argv) > 2):
+        n = string.atoi(sys.argv[2])
+    else:
+      n = string.atoi(sys.argv[1])
   for i in xrange(n):
-    f()
+    f(broken_auto_ptr)
diff --git a/example/tst_ivect2.py b/example/tst_ivect2.py
index 0db6903d..6ffd2826 100644
--- a/example/tst_ivect2.py
+++ b/example/tst_ivect2.py
@@ -1,4 +1,4 @@
-def f():
+def f(broken_auto_ptr):
   import ivect
   import dvect
   #
@@ -9,13 +9,19 @@ def f():
   print '1. auto_ptr_value_dvect_as_tuple'
   print dvect.auto_ptr_value_dvect_as_tuple(adv)
   print '2. auto_ptr_value_dvect_as_tuple'
-  print dvect.auto_ptr_value_dvect_as_tuple(adv)
+  if (not broken_auto_ptr):
+    print dvect.auto_ptr_value_dvect_as_tuple(adv)
+  else:
+    print None
   #
   aiv = ivect.ivect_as_auto_ptr(iv)
   print '1. auto_ptr_value_ivect_as_tuple'
   print dvect.auto_ptr_value_ivect_as_tuple(aiv)
   print '2. auto_ptr_value_ivect_as_tuple'
-  print dvect.auto_ptr_value_ivect_as_tuple(aiv)
+  if (not broken_auto_ptr):
+    print dvect.auto_ptr_value_ivect_as_tuple(aiv)
+  else:
+    print None
   #
   sdv = ivect.dvect_as_shared_ptr(dv)
   print '1. shared_ptr_value_dvect_as_tuple'
@@ -79,7 +85,14 @@ def f():
 
 if (__name__ == "__main__"):
   import sys, string
+  broken_auto_ptr = 0
   n = 1
-  if (len(sys.argv) > 1): n = string.atoi(sys.argv[1])
+  if (len(sys.argv) > 1):
+    if (sys.argv[1] == "--broken-auto-ptr"):
+      broken_auto_ptr = 1
+      if (len(sys.argv) > 2):
+        n = string.atoi(sys.argv[2])
+    else:
+      n = string.atoi(sys.argv[1])
   for i in xrange(n):
-    f()
+    f(broken_auto_ptr)