diff --git a/tools/icu/icu-generic.gyp b/tools/icu/icu-generic.gyp
index 2acc95b409b81d..b8f0d13836dee1 100644
--- a/tools/icu/icu-generic.gyp
+++ b/tools/icu/icu-generic.gyp
@@ -51,7 +51,7 @@
       'direct_dependent_settings': {
         'conditions': [
           [ 'os_posix == 1 and OS != "mac" and OS != "ios"', {
-            'cflags': [ '-Wno-deprecated-declarations' ],
+            'cflags': [ '-Wno-deprecated-declarations', '-Wno-strict-aliasing' ],
             'cflags_cc': [ '-frtti' ],
             'cflags_cc!': [ '-fno-rtti' ],
           }],