1 files changed, 1 insertions, 1 deletions
diff --git a/op.h b/op.h
index da280b8b8d..a29d516d10 100644
--- a/op.h
+++ b/op.h
@@ -366,7 +366,7 @@ struct pmop {
 
 /* Leave some space, so future bit allocations can go either in the shared or
  * unshared area without affecting binary compatibility */
-#define PMf_BASE_SHIFT (_RXf_PMf_SHIFT_NEXT+8)
+#define PMf_BASE_SHIFT (_RXf_PMf_SHIFT_NEXT+7)
 
 /* taint $1 etc. if target tainted */
 #define PMf_RETAINT	(1<<(PMf_BASE_SHIFT+0))