diff --git a/phpBB/styles/prosilver/template/ajax.js b/phpBB/styles/prosilver/template/ajax.js
index 0d7e0a8ba8..9688802929 100644
--- a/phpBB/styles/prosilver/template/ajax.js
+++ b/phpBB/styles/prosilver/template/ajax.js
@@ -389,7 +389,7 @@ $('#delete_permanent').click(function () {
 */
 $('#member_search').click(function () {
 	$('#memberlist_search').slideToggle('fast');
-	phpbb.alt_text;
+	phpbb.ajaxCallbacks.alt_text.call(this);
 	// Focus on the username textbox if it's available and displayed
 	if ($('#memberlist_search').is(':visible')) {
 		$('#username').focus();
diff --git a/phpBB/styles/prosilver/template/memberlist_body.html b/phpBB/styles/prosilver/template/memberlist_body.html
index 1ee4ed6e9c..7ba289cfd6 100644
--- a/phpBB/styles/prosilver/template/memberlist_body.html
+++ b/phpBB/styles/prosilver/template/memberlist_body.html
@@ -30,7 +30,7 @@
 
 			<ul class="linklist wrap">
 				<li>
-				<!-- IF U_FIND_MEMBER and not S_SEARCH_USER --><a href="{U_FIND_MEMBER}" id="member_search" data-ajax="alt_text" data-alt-text="{LA_HIDE_MEMBER_SEARCH}">{L_FIND_USERNAME}</a> &bull; <!-- ELSEIF S_SEARCH_USER and U_HIDE_FIND_MEMBER and not S_IN_SEARCH_POPUP --><a href="{U_HIDE_FIND_MEMBER}" id="member_search" data-ajax="alt_text" data-alt-text="{LA_FIND_USERNAME}">{L_HIDE_MEMBER_SEARCH}</a> &bull; <!-- ENDIF -->
+				<!-- IF U_FIND_MEMBER and not S_SEARCH_USER --><a href="{U_FIND_MEMBER}" id="member_search" data-alt-text="{LA_HIDE_MEMBER_SEARCH}">{L_FIND_USERNAME}</a> &bull; <!-- ELSEIF S_SEARCH_USER and U_HIDE_FIND_MEMBER and not S_IN_SEARCH_POPUP --><a href="{U_HIDE_FIND_MEMBER}" id="member_search" data-alt-text="{LA_FIND_USERNAME}">{L_HIDE_MEMBER_SEARCH}</a> &bull; <!-- ENDIF -->
 				<strong style="font-size: 0.95em;">
 				<!-- BEGIN first_char -->
 					<a href="{first_char.U_SORT}">{first_char.DESC}</a>&nbsp;