diff --git a/nss.gyp b/nss.gyp
index 4b05ba0..6c5cb96 100644
--- a/nss.gyp
+++ b/nss.gyp
@@ -241,7 +241,7 @@
         ],
       },
       # TODO(wtc): suppress C4244 and C4554 in prdtoa.c.
-      'msvs_disabled_warnings': [4018, 4244, 4554, 4267, 4334,],
+      'msvs_disabled_warnings': [4018, 4244, 4554, 4267,],
       'conditions': [
         ['OS=="mac" or OS=="ios"', {
           'defines': [