Index: posting.php
===================================================================
--- posting.php	(revision 9568)
+++ posting.php	(working copy)
@@ -606,7 +606,7 @@
 	$post_data['orig_topic_type']	= $post_data['topic_type'];
 	$post_data['topic_type']		= request_var('topic_type', (($mode != 'post') ? (int) $post_data['topic_type'] : POST_NORMAL));
 	$post_data['topic_time_limit']	= request_var('topic_time_limit', (($mode != 'post') ? (int) $post_data['topic_time_limit'] : 0));
-	$post_data['icon_id']			= request_var('icon', 0);
+	$post_data['icon_id']			= request_var('icon', (int) $post_data['icon_id']);
 
 	$post_data['enable_bbcode']		= (!$bbcode_status || isset($_POST['disable_bbcode'])) ? false : true;
 	$post_data['enable_smilies']	= (!$smilies_status || isset($_POST['disable_smilies'])) ? false : true;