diff --git a/src/frontends/qt4/GuiCitation.cpp b/src/frontends/qt4/GuiCitation.cpp
index 41de1e5ed7..d9d45d1bdf 100644
--- a/src/frontends/qt4/GuiCitation.cpp
+++ b/src/frontends/qt4/GuiCitation.cpp
@@ -733,7 +733,7 @@ vector<docstring> GuiCitation::getPostTexts()
 	for (int i = 0; i != selected_model_.rowCount(); ++i) {
 		QStandardItem const * key = selected_model_.item(i, 1);
 		QStandardItem const * post = selected_model_.item(i, 2);
-		if (key && post)
+		if (key && post && !key->text().isEmpty() && !post->text().isEmpty())
 			res.push_back(qstring_to_ucs4(key->text()) + " " + qstring_to_ucs4(post->text()));
 	}
 	return res;