diff --git a/src/widgets/TbPager.php b/src/widgets/TbPager.php
index f6c05690..12ae11a2 100644
--- a/src/widgets/TbPager.php
+++ b/src/widgets/TbPager.php
@@ -89,7 +89,7 @@ public function init() {
 		if (!empty($classes)) {
 			$classes = implode(' ', $classes);
 			if (isset($this->htmlOptions['class'])) {
-				$this->htmlOptions['class'] = ' ' . $classes;
+				$this->htmlOptions['class'] .= ' ' . $classes;
 			} else {
 				$this->htmlOptions['class'] = $classes;
 			}