diff --git a/src/libs/registry/docset.cpp b/src/libs/registry/docset.cpp
index 072ebf5c..a290b1db 100644
--- a/src/libs/registry/docset.cpp
+++ b/src/libs/registry/docset.cpp
@@ -370,7 +370,7 @@ void Docset::loadMetadata()
         }
 
         if (extra.contains(QStringLiteral("keywords"))) {
-            for (const QJsonValue &kw : extra[QStringLiteral("keywords")].toArray())
+            for (const QJsonValueRef kw : extra[QStringLiteral("keywords")].toArray())
                 m_keywords << kw.toString();
         }
     }