diff --git a/src/lib/-adoc/AdocCorpus.cpp b/src/lib/-adoc/AdocCorpus.cpp
index ef4edbf7d..2ae38f752 100644
--- a/src/lib/-adoc/AdocCorpus.cpp
+++ b/src/lib/-adoc/AdocCorpus.cpp
@@ -248,12 +248,14 @@ DocVisitor::
 operator()(doc::Reference const& I)
 {
     //dest_ += I.string;
-    if(I.id == SymbolID::zero ||
-        ! corpus_.getCorpus().exists(I.id))
+    if(I.id == SymbolID::zero)
         return (*this)(static_cast<const doc::Text&>(I));
+    return (*this)(static_cast<const doc::Text&>(I));
+    #if 0
     MRDOCS_ASSERT(corpus_.getCorpus().exists(I.id));
     fmt::format_to(std::back_inserter(dest_), "xref:{}[{}]",
         corpus_.getXref(I.id), I.string);
+    #endif
 }
 
 std::size_t