diff --git a/includes/Target.php b/includes/Target.php
index eb42076..bcc5fb4 100644
--- a/includes/Target.php
+++ b/includes/Target.php
@@ -159,7 +159,7 @@ class Target {
 	 * @return String regular expression pattern
 	 */
 	private function buildRegex( $searchTerm ) {
-		return '/(?<![\:\.\@\/\?\&])' . $this->wordStart . $searchTerm . $this->wordEnd . '/S';
+		return '/(?<![\:\.\@\/\?\&])' . $this->wordStart . $searchTerm . $this->wordEnd . '/Su';
 	}
 
 	/**