Index: bb-includes/functions.bb-topic-tags.php
===================================================================
--- bb-includes/functions.bb-topic-tags.php	(revision 2484)
+++ bb-includes/functions.bb-topic-tags.php	(working copy)
@@ -395,8 +395,8 @@
 	if ( is_wp_error( $terms ) )
 		return false;
 
-	for ( $i = 0; isset($terms[$i]); $i++ )
-		_bb_make_tag_compat( $terms[$i] );
+	foreach( $terms as $term )
+        _bb_make_tag_compat( $term );
 
 	return $terms;
 }