diff --git a/lang/ruby193-base/distinfo b/lang/ruby193-base/distinfo
index 5b77bd13cc66..ad3badba2020 100644
--- a/lang/ruby193-base/distinfo
+++ b/lang/ruby193-base/distinfo
@@ -1,4 +1,4 @@
-$NetBSD: distinfo,v 1.23 2013/07/07 15:01:01 taca Exp $
+$NetBSD: distinfo,v 1.24 2013/07/19 15:32:58 taca Exp $
 
 SHA1 (ruby-1.9.3-p448.tar.bz2) = 4bd9140bd4760409f771d4dd55138c22d3ff2995
 RMD160 (ruby-1.9.3-p448.tar.bz2) = e012b5b506092406a4e35711d57290932ba557c6
@@ -6,6 +6,7 @@ Size (ruby-1.9.3-p448.tar.bz2) = 10052488 bytes
 SHA1 (patch-configure) = 5d1af2b62784cf09999aa31dad54664d7ee123b4
 SHA1 (patch-configure.in) = cef794d185fa41cd144d55558fcee320f9385f94
 SHA1 (patch-defs_default__gems) = fb24111736f1a76a05e853aa068024dbdd24e5a5
+SHA1 (patch-ext_tk_extconf.rb) = b9872caef2233145e57b974f5f8ef332e3f99f6b
 SHA1 (patch-lib_rdoc_ri_driver.rb) = acb4cb022893eb8dea2adf7564f5e5e1a0f1e9c8
 SHA1 (patch-lib_rubygems.rb) = 2aed4990a868dc92668a78da7bcff2050ff3dd66
 SHA1 (patch-lib_rubygems_command.rb) = 916a93372e714b56a741acc15350536194f34c77
diff --git a/lang/ruby193-base/patches/patch-ext_tk_extconf.rb b/lang/ruby193-base/patches/patch-ext_tk_extconf.rb
new file mode 100644
index 000000000000..18a5f95e5c43
--- /dev/null
+++ b/lang/ruby193-base/patches/patch-ext_tk_extconf.rb
@@ -0,0 +1,15 @@
+$NetBSD: patch-ext_tk_extconf.rb,v 1.1 2013/07/19 15:32:58 taca Exp $
+
+* Fix trivial bug fix.
+
+--- ext/tk/extconf.rb.orig	2013-06-26 07:57:49.000000000 +0000
++++ ext/tk/extconf.rb
+@@ -315,7 +315,7 @@ def find_macosx_framework
+   paths.map{|dir| dir.strip.chomp('/')}.each{|dir|
+     next unless File.exist?(File.join(dir, "Tcl.framework", "Headers"))
+     next unless File.directory?(tcldir = File.join(dir, "Tcl.framework"))
+-    next unless File.exist?(File.join(dir, "Tk.framework"), "Headers")
++    next unless File.exist?(File.join(dir, "Tk.framework", "Headers"))
+     next unless File.directory?(tkdir  = File.join(dir, "Tk.framework"))
+     TkLib_Config["tcltk-framework"] = dir
+     return [tcldir, tkdir]