diff --git a/ChangeLog b/ChangeLog
index 8efc121ba3..efbe1af8cf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Tue Jul 13 20:46:00 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* ext/dl/handle.c (rb_dlhandle_close): should not pass a dynamic
+	          string to rb_raise directly.
+
 Tue Jul 13 12:04:57 2010  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* missing/close.c: keep original errno.
diff --git a/ext/dl/handle.c b/ext/dl/handle.c
index 3e3b91a8c9..a450e6bac5 100644
--- a/ext/dl/handle.c
+++ b/ext/dl/handle.c
@@ -70,7 +70,7 @@ rb_dlhandle_close(VALUE self)
 	/* Check dlclose for successful return value */
 	if(ret) {
 #if defined(HAVE_DLERROR)
-	    rb_raise(rb_eDLError, dlerror());
+	    rb_raise(rb_eDLError, "%s", dlerror());
 #else
 	    rb_raise(rb_eDLError, "could not close handle");
 #endif