diff --git a/pages/UI.php b/pages/UI.php
index 70a1cb8c9..dc92cd7c6 100644
--- a/pages/UI.php
+++ b/pages/UI.php
@@ -675,7 +675,7 @@ try
 					$sJSNeedles = json_encode($aFullTextNeedles);
 					$oP->add_ready_script(
 <<<EOF
-						var oParams = {operation: 'full_text_search', position: 0, 'class': '$sJSClass', needles: $sJSNeedles, tune: $iTune};
+						var oParams = {operation: 'full_text_search', position: 0, 'classname': '$sJSClass', needles: $sJSNeedles, tune: $iTune};
 						$.post(GetAbsoluteUrlAppRoot()+'pages/ajax.render.php', oParams, function(data) {
 							$('#full_text_results').append(data);
 						});
diff --git a/pages/ajax.render.php b/pages/ajax.render.php
index d86dbb038..4ab2ba9b3 100644
--- a/pages/ajax.render.php
+++ b/pages/ajax.render.php
@@ -1670,12 +1670,11 @@ JS
 		case 'full_text_search':
 			$aFullTextNeedles = utils::ReadParam('needles', array(), false, 'raw_data');
 			$sFullText = trim(implode(' ', $aFullTextNeedles));
-			$sClassName = utils::ReadParam('class', '');
+			$sClassName = utils::ReadParam('classname', '');
 			$iCount = utils::ReadParam('count', 0);
 			$iCurrentPos = utils::ReadParam('position', 0);
 			$iTune = utils::ReadParam('tune', 0);
-			if (empty($sFullText))
-			{
+			if (empty($sFullText)) {
 				$oPage->p(Dict::S('UI:Search:NoSearch'));
 				break;
 			}