diff --git a/phpBB/adm/style/acp_search.html b/phpBB/adm/style/acp_search.html
index 5fd7a23d97..baadb70855 100644
--- a/phpBB/adm/style/acp_search.html
+++ b/phpBB/adm/style/acp_search.html
@@ -139,9 +139,11 @@
 
 			<p class="quick">
 			<!-- IF backend.S_INDEXED -->
-				<input class="button2" type="submit" name="action[delete]" value="{L_DELETE_INDEX}" onclick="popup_progress_bar('delete');" />
+				<input type="hidden" name="action" value="delete" />
+				<input class="button2" type="submit" value="{L_DELETE_INDEX}" onclick="popup_progress_bar('delete');" />
 			<!-- ELSE -->
-				<input class="button2" type="submit" name="action[create]" value="{L_CREATE_INDEX}" onclick="popup_progress_bar('create');" />
+				<input type="hidden" name="action" value="create" />
+				<input class="button2" type="submit" value="{L_CREATE_INDEX}" onclick="popup_progress_bar('create');" />
 			<!-- ENDIF -->
 			</p>
 			{S_FORM_TOKEN}
diff --git a/phpBB/includes/acp/acp_search.php b/phpBB/includes/acp/acp_search.php
index 930c8d2a26..9821338e40 100644
--- a/phpBB/includes/acp/acp_search.php
+++ b/phpBB/includes/acp/acp_search.php
@@ -232,15 +232,7 @@ class acp_search
 		global $db, $user, $auth, $template, $cache;
 		global $config, $phpbb_root_path, $phpbb_admin_path, $phpEx;
 
-		if (isset($_REQUEST['action']) && is_array($_REQUEST['action']))
-		{
-			$action = request_var('action', array('' => false));
-			$action = key($action);
-		}
-		else
-		{
-			$action = request_var('action', '');
-		}
+		$action = request_var('action', '');
 		$this->state = explode(',', $config['search_indexing_state']);
 
 		if (isset($_POST['cancel']))