diff --git a/src/qtgui/ssearch_w.cpp b/src/qtgui/ssearch_w.cpp
index 504f5d18..479136b0 100644
--- a/src/qtgui/ssearch_w.cpp
+++ b/src/qtgui/ssearch_w.cpp
@@ -610,7 +610,6 @@ bool SSearch::fromXML(const SSearchDef& fxml)
 
 
     if (!checkExtIndexes(fxml.extindexes)) {
-        std::string asString;
         stringsToString(fxml.extindexes, asString);
         QMessageBox::warning(
             0, "Recoll",