diff --git a/ext/libv8/builder.rb b/ext/libv8/builder.rb
index 26a5789..84b3940 100644
--- a/ext/libv8/builder.rb
+++ b/ext/libv8/builder.rb
@@ -33,6 +33,10 @@ module Libv8
       # Pass clang=1 to GYP as noted in wiki
       # https://code.google.com/p/v8/wiki/BuildingWithGYP#Clang_+_make
       flags << 'GYP_DEFINES="clang=1"' if @compiler.is_a? Compiler::Clang
+
+      # Disable i18n
+      flags << 'i18nsupport=off'
+
       # Solaris / Smart OS requires additional -G flag to use with -fPIC
       flags << "CFLAGS=-G" if @compiler.target =~ /solaris/