diff --git a/ChangeLog b/ChangeLog
index d012e19931..4ec12546d7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Mon Nov 30 18:46:44 2015  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* ext/readline/extconf.rb: call dir_config("libedit")
+	  if --enable-libedit is spcified. [Bug #11751]
+	  patched by John Hein
+
 Mon Nov 30 08:44:29 2015  Eric Wong  <e@80x24.org>
 
 	* variable.c: remove spurious #define for globals
diff --git a/ext/readline/extconf.rb b/ext/readline/extconf.rb
index c79370bf4c..5cbcc0ef7d 100644
--- a/ext/readline/extconf.rb
+++ b/ext/readline/extconf.rb
@@ -37,6 +37,7 @@ have_library("ncurses", "tgetnum") ||
 case enable_libedit
 when true
   # --enable-libedit
+  dir_config("libedit")
   unless (readline.have_header("editline/readline.h") ||
           readline.have_header("readline/readline.h")) &&
           have_library("edit", "readline")