diff --git a/Include/patchlevel.h b/Include/patchlevel.h
index 4db17f0..7ccf585 100644
--- a/Include/patchlevel.h
+++ b/Include/patchlevel.h
@@ -27,7 +27,7 @@
 #define PY_RELEASE_SERIAL	1
 
 /* Version as a string */
-#define PY_VERSION      	"2.6.6rc1"
+#define PY_VERSION      	"2.6.6rc1+"
 /*--end constants--*/
 
 /* Subversion Revision number of this file (not of the repository) */