--- a/Objects/unicodeobject.c	Fri Dec 30 21:26:08 2011 +0100
+++ b/Objects/unicodeobject.c	Tue Jan 03 21:48:43 2012 +0100
@@ -11107,7 +11107,7 @@
 
     /* The hash function as a macro, gets expanded three times below. */
 #define HASH(P) \
-    x = (Py_uhash_t)*P << 7; \
+    x = Py_RndHashSeed + ((Py_uhash_t)*P << 7); \
     while (--len >= 0) \
         x = (1000003*x) ^ (Py_uhash_t)*P++;