Index: django/db/models/query.py
===================================================================
--- django/db/models/query.py	(revision 8649)
+++ django/db/models/query.py	(working copy)
@@ -308,7 +308,7 @@
         and returning the created object.
         """
         obj = self.model(**kwargs)
-        obj.save()
+        obj.save(force_insert=True)
         return obj
 
     def get_or_create(self, **kwargs):
Index: docs/ref/models/querysets.txt
===================================================================
--- docs/ref/models/querysets.txt	(revision 8649)
+++ docs/ref/models/querysets.txt	(working copy)
@@ -556,7 +556,7 @@
 and::
 
     p = Person(first_name="Bruce", last_name="Springsteen")
-    p.save()
+    p.save(force_insert=True)
 
 are equivalent.