diff --git a/xo-procedure2/src/procedure2/procedure2_register_facets.cpp b/xo-procedure2/src/procedure2/procedure2_register_facets.cpp
index d785cf0e..b7b595e5 100644
--- a/xo-procedure2/src/procedure2/procedure2_register_facets.cpp
+++ b/xo-procedure2/src/procedure2/procedure2_register_facets.cpp
@@ -45,6 +45,7 @@ namespace xo {
             FacetRegistry::register_impl<APrintable, DPrimitive_gco_3_dict_string_gco>();
 
             log && log(xtag("DSimpleRcx.tseq", typeseq::id<DSimpleRcx>()));
+            log && log(xtag("DPrimitive_gco_0.tseq", typeseq::id<DPrimitive_gco_0>()));
             log && log(xtag("DPrimitive_gco_1_gco.tseq", typeseq::id<DPrimitive_gco_1_gco>()));
             log && log(xtag("DPrimitive_gco_2_gco_gco.tseq", typeseq::id<DPrimitive_gco_2_gco_gco>()));
             log && log(xtag("DPrimitive_gco_3_dict_string_gco.tseq", typeseq::id<DPrimitive_gco_3_dict_string_gco>()));