diff --git a/cake/tests/lib/cake_test_case.php b/cake/tests/lib/cake_test_case.php
index 16a847684..b31a1338a 100644
--- a/cake/tests/lib/cake_test_case.php
+++ b/cake/tests/lib/cake_test_case.php
@@ -450,7 +450,10 @@ class CakeTestCase extends UnitTestCase {
 			}
 		}
 		foreach ($normalized as $tags) {
-			if (is_string($tags)) {
+			if (is_string($tags) || (is_array($tags) && count($tags) == 1 && !empty($tags[0]))) {
+				if (is_array($tags)) {
+					$tags = $tags[0];
+				}
 				if ($tags{0} == '!') {
 					$regex[] = '<[\s]*\/[\s]*'.substr($tags, 1).'[\s]*>';
 					continue;