diff --git a/phpBB/install/install_convert.php b/phpBB/install/install_convert.php
index 6b53d18b74..6a6f63effb 100644
--- a/phpBB/install/install_convert.php
+++ b/phpBB/install/install_convert.php
@@ -916,7 +916,7 @@ class install_convert extends module
 
 				if ($mysql_convert)
 				{
-					$db->sql_query("SET NAMES 'latin1'");
+					$db->sql_query("SET NAMES 'binary'");
 				}
 
 				// Take skip rows into account and only fetch batch_size amount of rows