diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7b450ed83..07e8e2674 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -42,6 +42,7 @@
 - xfer: fix send of data on the DCC chat buffer after `/upgrade` if the buffer was opened before the upgrade ([#2092](https://github.com/weechat/weechat/issues/2092))
 - core: fix refresh of bar item "scroll" in root bar after `/buffer clear` ([#590](https://github.com/weechat/weechat/issues/590))
 - core, plugins: return "0x0" instead of "(nil)" for pointers formatted in strings
+- ruby: fix builtin functions not available ([#2109](https://github.com/weechat/weechat/issues/2109))
 - php: fix return value of function hdata_longlong
 - tcl: fix return value of function hdata_longlong ([#2119](https://github.com/weechat/weechat/issues/2119))
 - relay: fix read of one buffer line in API protocol
diff --git a/src/plugins/ruby/weechat-ruby.c b/src/plugins/ruby/weechat-ruby.c
index 502e3530e..5036f19fb 100644
--- a/src/plugins/ruby/weechat-ruby.c
+++ b/src/plugins/ruby/weechat-ruby.c
@@ -1266,6 +1266,7 @@ weechat_plugin_init (struct t_weechat_plugin *plugin, int argc, char *argv[])
 {
     int ruby_error, old_ruby_quiet;
     VALUE err;
+    char* process_options_argv[] = { "ruby", "-enil", NULL };
     char *weechat_ruby_code = {
         "$stdout = WeechatOutputs\n"
         "$stderr = WeechatOutputs\n"
@@ -1364,6 +1365,8 @@ weechat_plugin_init (struct t_weechat_plugin *plugin, int argc, char *argv[])
 
     ruby_init ();
 
+    ruby_process_options (2, process_options_argv);
+
     /* redirect stdin and stdout */
     ruby_mWeechatOutputs = rb_define_module ("WeechatOutputs");
     rb_define_singleton_method (ruby_mWeechatOutputs, "write",