diff --git a/phpBB/styles/prosilver/template/posting_editor.html b/phpBB/styles/prosilver/template/posting_editor.html
index ee1c6d0860..248d1ea72c 100644
--- a/phpBB/styles/prosilver/template/posting_editor.html
+++ b/phpBB/styles/prosilver/template/posting_editor.html
@@ -61,7 +61,7 @@
 		<!-- IF S_GROUP_OPTIONS -->
 			<div class="column2">
 				<dl>
-					<dd><label for="group_list">{L_USERGROUPS}:</label> <select name="group_list[]" id="group_list "multiple="multiple" size="4" class="inputbox">{S_GROUP_OPTIONS}</select></dd>
+					<dd><label for="group_list">{L_USERGROUPS}:</label> <select name="group_list[]" id="group_list" multiple="multiple" size="4" class="inputbox">{S_GROUP_OPTIONS}</select></dd>
 				</dl>
 			</div>
 		<!-- ENDIF -->