Index: /trunk/processor/head.m4
===================================================================
--- /trunk/processor/head.m4	(revision 666)
+++ /trunk/processor/head.m4	(revision 667)
@@ -194,5 +194,5 @@
 		if (ZCEP_REFCOUNT_PTR(ceptr) == ZCEP_REFCOUNT_PTR(ce)) {
 			processor->cache_ce = ceptr;
-			processor->cache_class_index = i + 1;
+			processor->cache_class_index = i;
 			return i + 1;
 		}