diff --git a/phpBB/includes/usercp_register.php b/phpBB/includes/usercp_register.php
index fb6a29e028..a02eeeb0bd 100644
--- a/phpBB/includes/usercp_register.php
+++ b/phpBB/includes/usercp_register.php
@@ -424,7 +424,7 @@ if ( isset($HTTP_POST_VARS['submit']) )
 			}
 
 			$sql = "UPDATE " . USERS_TABLE . "
-				SET " . $username_sql . $passwd_sql . "user_email = '" . str_replace("\'", "''", $email) ."', user_icq = '" . str_replace("\'", "''", $icq) . "', user_website = '" . str_replace("\'", "''", $website) . "', user_occ = '" . str_replace("\'", "''", $occupation) . "', user_from = '" . str_replace("\'", "''", $location) . "', user_interests = '" . str_replace("\'", "''", $interests) . "', user_sig = '" . str_replace("\'", "''", $signature) . "', user_sig_bbcode_uid = '$signature_bbcode_uid', user_viewemail = $viewemail, user_aim = '" . str_replace("\'", "''", $aim) . "', user_yim = '" . str_replace("\'", "''", $yim) . "', user_msnm = '" . str_replace("\'", "''", $msn) . "', user_attachsig = $attachsig, user_allowsmile = $allowsmilies, user_allowhtml = $allowhtml, user_allowbbcode = $allowbbcode, user_allow_viewonline = $allowviewonline, user_notify = $notifyreply, user_notify_pm = $notifypm, user_popup_pm = $popuppm, user_timezone = $user_timezone, user_dateformat = '" . str_replace("\'", "''", $user_dateformat) . "', user_lang = '" . str_replace("\'", "''", $user_lang) . "', user_style = $user_style, user_active = $user_active, user_actkey = '" . str_replace("\'", "''", $user_actkey) . "'" . $avatar_sql . "
+				SET " . $username_sql . $passwd_sql . "user_email = '" . str_replace("\'", "''", $email) ."', user_icq = '" . str_replace("\'", "''", $icq) . "', user_website = '" . str_replace("\'", "''", $website) . "', user_occ = '" . str_replace("\'", "''", $occupation) . "', user_from = '" . str_replace("\'", "''", $location) . "', user_interests = '" . str_replace("\'", "''", $interests) . "', user_sig = '" . str_replace("\'", "''", $signature) . "', user_sig_bbcode_uid = '$signature_bbcode_uid', user_viewemail = $viewemail, user_aim = '" . str_replace("\'", "''", str_replace(' ', '+', $aim)) . "', user_yim = '" . str_replace("\'", "''", $yim) . "', user_msnm = '" . str_replace("\'", "''", $msn) . "', user_attachsig = $attachsig, user_allowsmile = $allowsmilies, user_allowhtml = $allowhtml, user_allowbbcode = $allowbbcode, user_allow_viewonline = $allowviewonline, user_notify = $notifyreply, user_notify_pm = $notifypm, user_popup_pm = $popuppm, user_timezone = $user_timezone, user_dateformat = '" . str_replace("\'", "''", $user_dateformat) . "', user_lang = '" . str_replace("\'", "''", $user_lang) . "', user_style = $user_style, user_active = $user_active, user_actkey = '" . str_replace("\'", "''", $user_actkey) . "'" . $avatar_sql . "
 				WHERE user_id = $user_id";
 			if ( !($result = $db->sql_query($sql)) )
 			{
@@ -501,7 +501,7 @@ if ( isset($HTTP_POST_VARS['submit']) )
 			// Get current date
 			//
 			$sql = "INSERT INTO " . USERS_TABLE . "	(user_id, username, user_regdate, user_password, user_email, user_icq, user_website, user_occ, user_from, user_interests, user_sig, user_sig_bbcode_uid, user_avatar, user_avatar_type, user_viewemail, user_aim, user_yim, user_msnm, user_attachsig, user_allowsmile, user_allowhtml, user_allowbbcode, user_allow_viewonline, user_notify, user_notify_pm, user_popup_pm, user_timezone, user_dateformat, user_lang, user_style, user_level, user_allow_pm, user_active, user_actkey)
-				VALUES ($user_id, '" . str_replace("\'", "''", $username) . "', " . time() . ", '" . str_replace("\'", "''", $password) . "', '" . str_replace("\'", "''", $email) . "', '" . str_replace("\'", "''", $icq) . "', '" . str_replace("\'", "''", $website) . "', '" . str_replace("\'", "''", $occupation) . "', '" . str_replace("\'", "''", $location) . "', '" . str_replace("\'", "''", $interests) . "', '" . str_replace("\'", "''", $signature) . "', '$signature_bbcode_uid', $avatar_sql, $viewemail, '" . str_replace("\'", "''", $aim) . "', '" . str_replace("\'", "''", $yim) . "', '" . str_replace("\'", "''", $msn) . "', $attachsig, $allowsmilies, $allowhtml, $allowbbcode, $allowviewonline, $notifyreply, $notifypm, $popuppm, $user_timezone, '" . str_replace("\'", "''", $user_dateformat) . "', '" . str_replace("\'", "''", $user_lang) . "', $user_style, 0, 1, ";
+				VALUES ($user_id, '" . str_replace("\'", "''", $username) . "', " . time() . ", '" . str_replace("\'", "''", $password) . "', '" . str_replace("\'", "''", $email) . "', '" . str_replace("\'", "''", $icq) . "', '" . str_replace("\'", "''", $website) . "', '" . str_replace("\'", "''", $occupation) . "', '" . str_replace("\'", "''", $location) . "', '" . str_replace("\'", "''", $interests) . "', '" . str_replace("\'", "''", $signature) . "', '$signature_bbcode_uid', $avatar_sql, $viewemail, '" . str_replace("\'", "''", str_replace(' ', '+', $aim)) . "', '" . str_replace("\'", "''", $yim) . "', '" . str_replace("\'", "''", $msn) . "', $attachsig, $allowsmilies, $allowhtml, $allowbbcode, $allowviewonline, $notifyreply, $notifypm, $popuppm, $user_timezone, '" . str_replace("\'", "''", $user_dateformat) . "', '" . str_replace("\'", "''", $user_lang) . "', $user_style, 0, 1, ";
 			if ( $board_config['require_activation'] == USER_ACTIVATION_SELF || $board_config['require_activation'] == USER_ACTIVATION_ADMIN || $coppa )
 			{
 				$user_actkey = gen_rand_string(true);
@@ -646,7 +646,7 @@ if ( $error )
 	$password_confirm = '';
 
 	$icq = stripslashes($icq);
-	$aim = stripslashes($aim);
+	$aim = str_replace('+', ' ', stripslashes($aim));
 	$msn = stripslashes($msn);
 	$yim = stripslashes($yim);
 
@@ -669,7 +669,7 @@ else if ( $mode == 'editprofile' && !isset($HTTP_POST_VARS['avatargallery']) &&
 	$password_confirm = "";
 
 	$icq = $userdata['user_icq'];
-	$aim = $userdata['user_aim'];
+	$aim = str_replace('+', ' ', $userdata['user_aim']);
 	$msn = $userdata['user_msnm'];
 	$yim = $userdata['user_yim'];