diff --git a/casadm/extended_err_msg.c b/casadm/extended_err_msg.c
index a1c82f4..1a2856c 100644
--- a/casadm/extended_err_msg.c
+++ b/casadm/extended_err_msg.c
@@ -154,6 +154,10 @@ struct {
 		" option or use --force to\n discard on-disk metadata and"
 		" start fresh cache instance.\n"
 	},
+	{
+		OCF_ERR_SUPERBLOCK_MISMATCH,
+		"Metadata on the device doesn't match with metadata in DRAM"
+	},
 	{
 		OCF_ERR_CACHE_NAME_MISMATCH,
 		"Cache id specified by user and loaded from metadata are different"
diff --git a/ocf b/ocf
index c664411..c176dae 160000
--- a/ocf
+++ b/ocf
@@ -1 +1 @@
-Subproject commit c6644116ae53f7ba851473cda5c02423380ebcdf
+Subproject commit c176daeec118430d6d1854302b9f9603b9b084ca