diff --git a/ext/json/generator/generator.c b/ext/json/generator/generator.c
index 8a94e2337bf6e4..3f2d91ffa477e5 100644
--- a/ext/json/generator/generator.c
+++ b/ext/json/generator/generator.c
@@ -1521,4 +1521,6 @@ void Init_generator(void)
     usascii_encindex = rb_usascii_encindex();
     utf8_encindex = rb_utf8_encindex();
     binary_encindex = rb_ascii8bit_encindex();
+
+    rb_require("json/ext/generator/state");
 }
diff --git a/ext/json/lib/json/ext.rb b/ext/json/lib/json/ext.rb
index 775e28a967a8ef..92ef61eaec0bf0 100644
--- a/ext/json/lib/json/ext.rb
+++ b/ext/json/lib/json/ext.rb
@@ -15,9 +15,6 @@ module Ext
     else
       require 'json/ext/parser'
       require 'json/ext/generator'
-      unless RUBY_ENGINE == 'jruby'
-        require 'json/ext/generator/state'
-      end
       $DEBUG and warn "Using Ext extension for JSON."
       JSON.parser = Parser
       JSON.generator = Generator