diff --git a/boot.php b/boot.php
index c89dae27c..e39504e11 100755
--- a/boot.php
+++ b/boot.php
@@ -1209,7 +1209,7 @@ function current_theme(){
 	$a = get_app();
 	
 	$system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
-	$theme_name = ((is_array($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
+	$theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
 	
 	if($theme_name && file_exists('view/theme/' . $theme_name . '/style.css'))
 		return($theme_name);
diff --git a/mod/dfrn_request.php b/mod/dfrn_request.php
index bc159137d..452fec166 100755
--- a/mod/dfrn_request.php
+++ b/mod/dfrn_request.php
@@ -43,7 +43,7 @@ function dfrn_request_post(&$a) {
 		return;
 
 
-	if($_POST['cancel']) {
+	if(x($_POST, 'cancel')) {
 		goaway(z_root());
 	}