diff --git a/widgets.php b/widgets.php
index 6d317c1..fbc51c4 100644
--- a/widgets.php
+++ b/widgets.php
@@ -937,10 +937,12 @@ public function widget($args, $instance)
             $hasTags[] = $tag;
         }
 
+        $ortags = "";
         if (!empty($instance['ortags'])) {
             $ortags = normalize_whitespace($instance['ortags']);
         }
 
+        $orTags = array();
         foreach (explode(",", $ortags) as $tag) {
             if ($tag === "") {
                 continue;