--- src/corelib/io/qsettings.cpp.orig
+++ src/corelib/io/qsettings.cpp
@@ -122,7 +122,7 @@
 Q_GLOBAL_STATIC(ConfFileCache, unusedCacheFunc)
 Q_GLOBAL_STATIC(PathHash, pathHashFunc)
 Q_GLOBAL_STATIC(CustomFormatVector, customFormatVectorFunc)
-Q_GLOBAL_STATIC(QMutex, globalMutex)
+Q_GLOBAL_STATIC_WITH_ARGS(QMutex, globalMutex, (QMutex::Recursive))
 static QSettings::Format globalDefaultFormat = QSettings::NativeFormat;
 
 #ifndef Q_OS_WIN