diff --git a/src/v8/v8.pri b/src/v8/v8.pri
index 1c72592c34..da2b1055b3 100644
--- a/src/v8/v8.pri
+++ b/src/v8/v8.pri
@@ -231,7 +231,8 @@ SOURCES += \
 
 win32 {
 SOURCES += \
-    $$V8SRC/platform-win32.cc
+    $$V8SRC/platform-win32.cc \
+    $$V8SRC/win32-math.cc
 LIBS += Ws2_32.lib Winmm.lib
 win32-msvc*: QMAKE_CXXFLAGS += -wd4100 -wd 4291 -wd4351 -wd4355 -wd4800
 win32-msvc*:arch_i386: DEFINES += _USE_32BIT_TIME_T