diff --git a/examples/test_multiplot/test_multiplot.pro b/examples/test_multiplot/test_multiplot.pro
index 8817125fca..af4acdc7cb 100644
--- a/examples/test_multiplot/test_multiplot.pro
+++ b/examples/test_multiplot/test_multiplot.pro
@@ -21,7 +21,15 @@ CONFIG (debug, debug|release) {
 }
 message("LIBS = $$LIBS")
 
-win32-msvc*: DEFINES += _USE_MATH_DEFINES
+win32-msvc* {
+    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
+    # have reference type and must not be parenthesized
+    DEFINES += _CRT_NO_VA_START_VALIDATION
+}
+
 
 # here you can activate some debug options
 #DEFINES += SHOW_JKQTPLOTTER_DEBUG
diff --git a/lib/common.pri b/lib/common.pri
index 2811015a69..694e674a6a 100644
--- a/lib/common.pri
+++ b/lib/common.pri
@@ -2,7 +2,7 @@
 !win32-msvc* {
     QMAKE_CXXFLAGS += -fexceptions
 } else {
-    QMAKE_CXXFLAGS += /EHsc
+    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