diff --git a/ChangeLog b/ChangeLog
index d79bc89b58..341ba618e9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Sun Sep 19 13:44:24 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* configure.in (LIBRUBY_SO): fix an oversight of replace
+	  RUBY_INSTALL_NAME with RUBY_SO_NAME.  a patch from Jeremy Evans
+	  at [ruby-core:32474].
+
 Sun Sep 19 07:48:20 2010  Tanaka Akira  <akr@fsij.org>
 
 	* ext/pathname/pathname.c (path_unlink): Pathname#unlink and
diff --git a/configure.in b/configure.in
index 7f0dde71a3..4af9a04dd4 100644
--- a/configure.in
+++ b/configure.in
@@ -2144,7 +2144,7 @@ AS_CASE("$enable_shared", [yes], [
 	],
     [openbsd*], [
 	SOLIBS='$(LIBS)'
-	LIBRUBY_SO='lib$(RUBY_INSTALL_NAME).so.$(MAJOR).'`expr ${MINOR} \* 10 + ${TEENY}`
+	LIBRUBY_SO='lib$(RUBY_SO_NAME).so.$(MAJOR).'`expr ${MINOR} \* 10 + ${TEENY}`
 	],
     [solaris*], [
 	SOLIBS='$(LIBS)'