1 files changed, 2 insertions, 2 deletions
diff --git a/qmake/library/qmakevfs.cpp b/qmake/library/qmakevfs.cpp
index 9fd6ae470c..1f77595535 100644
--- a/qmake/library/qmakevfs.cpp
+++ b/qmake/library/qmakevfs.cpp
@@ -109,10 +109,10 @@ int QMakeVfs::idForFileName(const QString &fn, VfsFlags flags)
             return id;
     }
 #endif
-    if (!(flags & VfsAccessedOnly)) {
 #ifdef PROPARSER_THREAD_SAFE
-        QMutexLocker locker(&s_mutex);
+    QMutexLocker locker(&s_mutex);
 #endif
+    if (!(flags & VfsAccessedOnly)) {
         int &id = s_fileIdMap[fn];
         if (!id) {
             id = ++s_fileIdCounter;