diff --git a/qmake/generators/makefiledeps.cpp b/qmake/generators/makefiledeps.cpp
index d8c38cbb521..88c0f86d7d3 100644
--- a/qmake/generators/makefiledeps.cpp
+++ b/qmake/generators/makefiledeps.cpp
@@ -697,7 +697,7 @@ bool QMakeSourceFileInfo::findMocs(SourceFile *file)
         int fd;
 #if defined(_MSC_VER) && _MSC_VER >= 1400
         if (_sopen_s(&fd, fixPathForFile(file->file, true).local().toLocal8Bit().constData(),
-            _O_RDONLY, _SH_DENYRW, _S_IREAD) != 0)
+            _O_RDONLY, _SH_DENYNO, _S_IREAD) != 0)
             fd = -1;
 #else
         fd = open(fixPathForFile(file->file, true).local().toLocal8Bit().constData(), O_RDONLY);