diff --git a/phpBB/styles/prosilver/template/overall_header.html b/phpBB/styles/prosilver/template/overall_header.html
index 073a13d7b4..deb8daf83a 100644
--- a/phpBB/styles/prosilver/template/overall_header.html
+++ b/phpBB/styles/prosilver/template/overall_header.html
@@ -91,8 +91,12 @@
 				<form action="{U_SEARCH}" method="get" id="search">
 				<fieldset>
 					<input name="keywords" id="keywords" type="search" maxlength="128" title="{L_SEARCH_KEYWORDS}" class="inputbox search tiny" size="20" value="{SEARCH_WORDS}" placeholder="{L_SEARCH_MINI}" />
-					<button class="button icon-button search-icon" type="submit" title="{L_SEARCH}">{L_SEARCH}</button>
-					<a href="{U_SEARCH}" class="button icon-button search-adv-icon" title="{L_SEARCH_ADV}">{L_SEARCH_ADV}</a>
+					<button class="button" type="submit" title="{L_SEARCH}">
+						<i class="icon fa-search fa-fw"></i><span>{L_SEARCH}</span>
+					</button>
+					<a href="{U_SEARCH}" class="button" title="{L_SEARCH_ADV}">
+						<i class="icon fa-cog fa-fw"></i><span>{L_SEARCH_ADV}</span>
+					</a>
 					{S_SEARCH_HIDDEN_FIELDS}
 				</fieldset>
 				</form>