diff --git a/Source/WTF/ChangeLog b/Source/WTF/ChangeLog
index 82110aea11fca1815fac1f5428dd928122f9c3f8..6b10729109ac61551b6265e867d8fea0652108a9 100644
--- a/Source/WTF/ChangeLog
+++ b/Source/WTF/ChangeLog
@@ -1,3 +1,13 @@
+2013-10-04  Brent Fulgham  <bfulgham@apple.com>
+
+        [Win] Turn off FastMalloc on Windows
+        https://bugs.webkit.org/show_bug.cgi?id=122352
+
+        Reviewed by Darin Adler.
+
+        * wtf/Platform.h: Enable USE_SYSTEM_MALLOC when building on
+        Windows to stick to the MSVCRT allocator/deallocator.
+
 2013-10-04  Mikhail Pozdnyakov  <mikhail.pozdnyakov@intel.com>
 
         Remove WTF smart pointers 'const_pointer_cast'
diff --git a/Source/WTF/wtf/Platform.h b/Source/WTF/wtf/Platform.h
index e420f13e6de9389e90b7e222c68e86591e172203..621ba6df33cc52a0a6ecb91e3d96e20645bbed9f 100644
--- a/Source/WTF/wtf/Platform.h
+++ b/Source/WTF/wtf/Platform.h
@@ -657,6 +657,7 @@
 
 #if OS(WINDOWS)
 #define ENABLE_GLOBAL_FASTMALLOC_NEW 0
+#define USE_SYSTEM_MALLOC 1
 #endif
 
 #if !defined(ENABLE_GLOBAL_FASTMALLOC_NEW)