diff --git a/src/insets/InsetCitation.cpp b/src/insets/InsetCitation.cpp
index 9d2a4b1e16..f9e1ac5abb 100644
--- a/src/insets/InsetCitation.cpp
+++ b/src/insets/InsetCitation.cpp
@@ -482,8 +482,13 @@ void InsetCitation::updateBuffer(ParIterator const &, UpdateType)
 
 void InsetCitation::addToToc(DocIterator const & cpit)
 {
+	// NOTE
+	// XHTML output uses the TOC to collect the citations
+	// from the document. So if this gets changed, then we
+	// will need to change how the citations are collected.
+	docstring const tocitem = getParam("key");
 	Toc & toc = buffer().tocBackend().toc("citation");
-	toc.push_back(TocItem(cpit, 0, getParam("key")));
+	toc.push_back(TocItem(cpit, 0, tocitem));
 }