diff --git a/tests/metatag.tags_helper.test b/tests/metatag.tags_helper.test
index 46bd4dd..18dec08 100644
--- a/tests/metatag.tags_helper.test
+++ b/tests/metatag.tags_helper.test
@@ -75,7 +75,7 @@ function testTagsInputOutput() {
     $this->assertResponse(200);
 
     // Update the Global defaults and test them.
-    $all_values = $values = [];
+    $all_values = $values = array();
     foreach ($this->tags as $tag_raw) {
       // Convert tag names to something more suitable for a function name.
       $tag_name = str_replace(array('.', '-', ':', ' '), '_', $tag_raw);