diff --git a/src/tools/windeployqt/main.cpp b/src/tools/windeployqt/main.cpp
index d1d1fb6b5f3..ecd25ab81da 100644
--- a/src/tools/windeployqt/main.cpp
+++ b/src/tools/windeployqt/main.cpp
@@ -669,7 +669,8 @@ static inline QString helpText(const QCommandLineParser &p)
     const qsizetype argumentsStart = result.lastIndexOf("\nArguments:"_L1);
     if (moduleStart >= argumentsStart)
         return result;
-    QString moduleHelp =
+    QString moduleHelp;
+    moduleHelp +=
         "\n\nQt libraries can be added by passing their name (-xml) or removed by passing\n"
         "the name prepended by --no- (--no-xml). Available libraries:\n"_L1;
     moduleHelp += lineBreak(QString::fromLatin1(formatQtModules(0xFFFFFFFFFFFFFFFFull, true)));