diff -r 35986c6b2150 -r bd3ee7f12bc1 plugins/SpecialPageFuncs.php
--- a/plugins/SpecialPageFuncs.php	Thu Jul 29 11:53:15 2010 -0400
+++ b/plugins/SpecialPageFuncs.php	Thu Jul 29 12:25:14 2010 -0400
@@ -643,8 +643,9 @@
 				if ( isset($_GET['userinput']) && strlen($_GET['userinput']) >= 3 )
 				{
 					$search = '%' . escape_string_like($_GET['userinput']) . '%';
+					$lsearch = strtolower($search);
 					$min_id = ( isset($_GET['allow_anon']) && $_GET['allow_anon'] == '1' ) ? '1' : '2';
-					$q = $db->sql_query('SELECT username FROM ' . table_prefix . "users WHERE " . ENANO_SQLFUNC_LOWERCASE . "(username) LIKE '$search' AND user_id >= $min_id");
+					$q = $db->sql_query('SELECT username FROM ' . table_prefix . "users WHERE (" . ENANO_SQLFUNC_LOWERCASE . "(username) LIKE '$lsearch' OR username LIKE '$search') AND user_id >= $min_id");
 					if ( !$q )
 						$db->die_json();