diff --git a/libcorpus2/io/cclreader.cpp b/libcorpus2/io/cclreader.cpp
index 97b066f0ea2467069d3805c6fb9712de6d343de8..070050bb2bdbd7a8e531c1ef9b7cea3dff8122da 100644
--- a/libcorpus2/io/cclreader.cpp
+++ b/libcorpus2/io/cclreader.cpp
@@ -29,7 +29,7 @@ or FITNESS FOR A PARTICULAR PURPOSE.
 namespace Corpus2 {
 
 bool CclReader::registered = TokenReader::register_reader<CclReader>("ccl",
-	"ign,loose,strict,disamb_only,no_warn_inconsistent,autogen_chunk_id,autogen_sent_id");
+	"ign,loose,strict,disamb_only,no_warn_inconsistent,no_warn_unexpected_xml,autogen_chunk_id,autogen_sent_id");
 
 class CclReaderImpl : public XmlReader
 {