diff --git a/lib/common.pri b/lib/common.pri
index 694e674a6a..dc7ac801c0 100644
--- a/lib/common.pri
+++ b/lib/common.pri
@@ -2,7 +2,8 @@
 !win32-msvc* {
     QMAKE_CXXFLAGS += -fexceptions
 } else {
-    QMAKE_CXXFLAGS += /EHsc /std:c++14
+    QMAKE_CXXFLAGS += /EHsc 
+    # /std:c++14
     # To enable M_PI, M_E,...
     DEFINES += _USE_MATH_DEFINES
     # To fix error: C2338: va_start argument must not
@@ -21,4 +22,4 @@ INCLUDEPATH += $$PWD
 QT += core gui
 greaterThan(QT_MAJOR_VERSION, 4): QT += widgets printsupport
 
-CONFIG += c++11
\ No newline at end of file
+CONFIG += c++11