diff --git a/brightray/brightray.gypi b/brightray/brightray.gypi
index 59e2022775..35b564358b 100644
--- a/brightray/brightray.gypi
+++ b/brightray/brightray.gypi
@@ -203,6 +203,7 @@
       }],
       ['OS=="linux"', {
         'cflags_cc': [
+          '-D__STRICT_ANSI__',
           '-std=gnu++11',
           '-fno-rtti',
           '<!@(pkg-config --cflags gtk+-2.0)',