diff --git a/WHATS_NEW b/WHATS_NEW
index b6c178599..c08f2a539 100644
--- a/WHATS_NEW
+++ b/WHATS_NEW
@@ -1,5 +1,6 @@
 Version 2.02.99 - 
 ===================================
+  Fix missing cleanup of flags when the LV is detached from pool.
   Fix check for some forbidden discards conversion of thin pools.
   Add pool_is_active() to check for any pool related active LV.
   Report blank field if the LV doesn't have an origin instead of 0.
diff --git a/lib/metadata/thin_manip.c b/lib/metadata/thin_manip.c
index 51f3d16b5..6ec97d49a 100644
--- a/lib/metadata/thin_manip.c
+++ b/lib/metadata/thin_manip.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2012 Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2011-2013 Red Hat, Inc. All rights reserved.
  *
  * This file is part of LVM2.
  *
@@ -136,6 +136,10 @@ int detach_pool_lv(struct lv_segment *seg)
 		sl->seg->origin = NULL;
 	}
 
+	seg->lv->status &= ~THIN_VOLUME;
+	seg->pool_lv = NULL;
+	seg->origin = NULL;
+
 	return 1;
 }