diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 28276d818a6a..12d94f2d6ad6 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -1061,7 +1061,7 @@ static int decode_encrypted_symlink(struct ceph_mds_client *mdsc,
 		kfree(sym);
 		return -EIO;
 	}
-	sym[declen + 1] = '\0';
+	sym[declen] = '\0';
 	*decsym = sym;
 	return declen;
 }