1 files changed, 1 insertions, 1 deletions
diff --git a/src/corelib/io/qdir_p.h b/src/corelib/io/qdir_p.h
index 3e033b2ad2..7dce69c195 100644
--- a/src/corelib/io/qdir_p.h
+++ b/src/corelib/io/qdir_p.h
@@ -71,7 +71,7 @@ public:
         QMutex mutex;
         QStringList files;
         QFileInfoList fileInfos;
-        bool fileListsInitialized = false;
+        std::atomic<bool> fileListsInitialized = false;
         QFileSystemEntry absoluteDirEntry;
         QFileSystemMetaData metaData;
     };