2 files changed, 5 insertions, 3 deletions
diff --git a/phpBB/install/convertors/convert_phpbb20.php b/phpBB/install/convertors/convert_phpbb20.php
index 16b500d8d5..4fe59d5a0a 100644
--- a/phpBB/install/convertors/convert_phpbb20.php
+++ b/phpBB/install/convertors/convert_phpbb20.php
@@ -482,14 +482,16 @@ if (!$get_info)
 				array('topic_moved_id',			0,									''),
 				array('topic_type',				'topics.topic_type',				'phpbb_convert_topic_type'),
 				array('topic_first_post_id',	'topics.topic_first_post_id',		''),
-
+				array('topic_last_view_time',	'posts.post_time',					''),
 				array('poll_title',				'vote_desc.vote_text',				array('function1' => 'null_to_str', 'function2' => 'phpbb_set_encoding', 'function3' => 'utf8_htmlspecialchars')),
 				array('poll_start',				'vote_desc.vote_start',				'null_to_zero'),
 				array('poll_length',			'vote_desc.vote_length',			'null_to_zero'),
 				array('poll_max_options',		1,									''),
 				array('poll_vote_change',		0,									''),
 
-				'left_join'		=> 'topics LEFT JOIN vote_desc ON topics.topic_id = vote_desc.topic_id AND topics.topic_vote = 1',
+				'left_join'		=>	array (	'topics LEFT JOIN vote_desc ON topics.topic_id = vote_desc.topic_id AND topics.topic_vote = 1', 
+											'topics LEFT JOIN posts ON topics.topic_last_post_id = posts.post_id',
+									),
 				'where'			=> 'topics.topic_moved_id = 0',
 			),
 
diff --git a/phpBB/install/convertors/functions_phpbb20.php b/phpBB/install/convertors/functions_phpbb20.php
index 1f62d80852..c4d421efee 100644
--- a/phpBB/install/convertors/functions_phpbb20.php
+++ b/phpBB/install/convertors/functions_phpbb20.php
@@ -455,7 +455,7 @@ function phpbb_get_birthday($birthday = '')
 	{
 		$birthday = (int) $birthday;
 
-		if (!$birthday || $birthday == 999999 || $birthday < 0)
+		if (!$birthday || $birthday == 999999 || ((version_compare(PHP_VERSION, '5.1.0') < 0) && $birthday < 0))
 		{
 			return ' 0- 0-   0';
 		}