diff --git a/test/Formatter/BaseTest.php b/test/Formatter/BaseTest.php
index badd01e2..fc5bb974 100644
--- a/test/Formatter/BaseTest.php
+++ b/test/Formatter/BaseTest.php
@@ -139,7 +139,7 @@ public function testFormatNoInfiniteLoopOnSelfReferencingArrayValues()
             ),
         );
 
-        if (version_compare(PHP_VERSION, '5.5.0alpha1', 'lte')) {
+        if (version_compare(PHP_VERSION, '5.5', 'lt')) {
             $outputExpected = array(
                 'timestamp' => $datetime->format($formatter->getDateTimeFormat()),
                 'priority'  => 1,