diff --git a/ChangeLog b/ChangeLog
index 4f5519209a..255cc8dac8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Wed Dec 21 02:25:36 2011  Aaron Patterson <aaron@tenderlovemaking.com>
+
+	* ext/psych/emitter.c: fixing clang warnings. Thanks Joey!
+
 Wed Dec 21 01:06:00 2011  Kazuhiro NISHIYAMA  <zn@mbf.nifty.com>
 
 	* ext/bigdecimal/README: Update redmine.ruby-lang.org to bugs.ruby-lang.org
diff --git a/ext/psych/emitter.c b/ext/psych/emitter.c
index a85fa45ef5..15fdcfe75b 100644
--- a/ext/psych/emitter.c
+++ b/ext/psych/emitter.c
@@ -351,7 +351,7 @@ static VALUE start_mapping(
 	    (yaml_char_t *)(NIL_P(anchor) ? NULL : StringValuePtr(anchor)),
 	    (yaml_char_t *)(NIL_P(tag) ? NULL : StringValuePtr(tag)),
 	    implicit ? 1 : 0,
-	    (yaml_sequence_style_t)NUM2INT(style)
+	    (yaml_mapping_style_t)NUM2INT(style)
 	    );
 
     emit(emitter, &event);