diff --git a/templates/themes/catalog/theme.php b/templates/themes/catalog/theme.php
index 5876778f..17bd90c4 100644
--- a/templates/themes/catalog/theme.php
+++ b/templates/themes/catalog/theme.php
@@ -31,7 +31,7 @@
 		public function build($settings, $board_name) {
 			global $config, $board;
 
-			if ($board['uri'] != $board_name) {			
+			if (!isset($board) || $board['uri'] != $board_name) {			
 				if (!openBoard($board_name)) {
 					error(sprintf(_("Board %s doesn't exist"), $board_name));
 				}
diff --git a/templates/themes/frameset/theme.php b/templates/themes/frameset/theme.php
index ffab0538..e01e36b0 100644
--- a/templates/themes/frameset/theme.php
+++ b/templates/themes/frameset/theme.php
@@ -48,7 +48,7 @@
 		
 		// Build sidebar
 		public static function sidebar($settings) {
-			global $config, $board;
+			global $config;
 			
 			return Element('themes/frameset/sidebar.html', Array(
 				'settings' => $settings,
diff --git a/templates/themes/recent/theme.php b/templates/themes/recent/theme.php
index a660af51..3f36ff50 100644
--- a/templates/themes/recent/theme.php
+++ b/templates/themes/recent/theme.php
@@ -16,7 +16,7 @@
 	// Wrap functions in a class so they don't interfere with normal Tinyboard operations
 	class RecentPosts {
 		public function build($action, $settings) {
-			global $config, $_theme;
+			global $config;
 			
 			if ($action == 'all')
 				copy('templates/themes/recent/' . $settings['basecss'], $config['dir']['home'] . $settings['css']);
diff --git a/templates/themes/rss/theme.php b/templates/themes/rss/theme.php
index 88fbe26f..2952c852 100755
--- a/templates/themes/rss/theme.php
+++ b/templates/themes/rss/theme.php
@@ -16,7 +16,7 @@
 	// Wrap functions in a class so they don't interfere with normal Tinyboard operations
 	class RSSRecentPosts {
 		public function build($action, $settings) {
-			global $config, $_theme;
+			global $config;
 			
 			/*if ($action == 'all') {
 				copy('templates/themes/recent/' . $settings['basecss'], $config['dir']['home'] . $settings['css']);