diff --git a/inc/inc.ClassUI.php b/inc/inc.ClassUI.php
index 9abad35cf..c80408aca 100644
--- a/inc/inc.ClassUI.php
+++ b/inc/inc.ClassUI.php
@@ -102,9 +102,14 @@ class UI extends UI_Default {
 		}
 		if(!$filename)
 			$filename = $settings->_rootDir."views/".$theme."/class.".$class.".php";
+		/* Fall back onto the view class in bootstrap theme */
+		if(!file_exists($filename))
+			$filename = $settings->_rootDir."views/bootstrap/class.".$class.".php";
 		if(!file_exists($filename))
 			$filename = '';
 		if($filename) {
+			/* Always include the base class which defines class SeedDMS_Theme_Style */
+			require($settings->_rootDir."views/".$theme."/class.".ucfirst($theme).".php");
 			require($filename);
 			$view = new $classname($params, $theme);
 			/* Set some configuration parameters */