diff --git a/src/plugins/cppeditor/cppquickfixes.cpp b/src/plugins/cppeditor/cppquickfixes.cpp
index 0b54398b503..7689e960e0f 100644
--- a/src/plugins/cppeditor/cppquickfixes.cpp
+++ b/src/plugins/cppeditor/cppquickfixes.cpp
@@ -3729,7 +3729,7 @@ void ExtractFunction::match(const CppQuickFixInterface &interface, QuickFixOpera
     // Identify what would be parameters for the new function and its return value, if any.
     Symbol *funcReturn = nullptr;
     QList<QPair<QString, QString> > relevantDecls;
-    const SemanticInfo::LocalUseMap &localUses = interface.semanticInfo().localUses;
+    const SemanticInfo::LocalUseMap localUses = interface.semanticInfo().localUses;
     for (auto it = localUses.cbegin(), end = localUses.cend(); it != end; ++it) {
         bool usedBeforeExtraction = false;
         bool usedAfterExtraction = false;