diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index e360c7a71f9ef51e5c3a9ddcda3f2984c8c8fd78..e9585ad90f5e8ab56e4a22b1aa30e1d5dd2b9ea8 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -1447,9 +1447,9 @@ static int mount_ubifs(struct ubifs_info *c)
 		UBIFS_TRUN_NODE_SZ, UBIFS_SB_NODE_SZ, UBIFS_MST_NODE_SZ);
 	dbg_msg("node sizes:          ref %zu, cmt. start %zu, orph %zu",
 		UBIFS_REF_NODE_SZ, UBIFS_CS_NODE_SZ, UBIFS_ORPH_NODE_SZ);
-	dbg_msg("max. node sizes:     data %zu, inode %zu dentry %zu",
+	dbg_msg("max. node sizes:     data %zu, inode %zu dentry %zu, idx %d",
 	        UBIFS_MAX_DATA_NODE_SZ, UBIFS_MAX_INO_NODE_SZ,
-		UBIFS_MAX_DENT_NODE_SZ);
+		UBIFS_MAX_DENT_NODE_SZ, ubifs_idx_node_sz(c, c->fanout));
 	dbg_msg("dead watermark:      %d", c->dead_wm);
 	dbg_msg("dark watermark:      %d", c->dark_wm);
 	dbg_msg("LEB overhead:        %d", c->leb_overhead);