diff --git a/tests/phpunit/api/v3/CaseTest.php b/tests/phpunit/api/v3/CaseTest.php
index 0d429bd2bbf..9330a6958e9 100644
--- a/tests/phpunit/api/v3/CaseTest.php
+++ b/tests/phpunit/api/v3/CaseTest.php
@@ -196,7 +196,7 @@ public function testCaseUpdate() {
     // Verify that updated case is equal to the original with new subject.
     $result = $this->callAPISuccessGetSingle('Case', array('case_id' => $id));
     // Modification dates are likely to differ by 0-2 sec. Check manually.
-    $this->assertTrue($result['modified_date'] >= $case['modified_date']);
+    $this->assertGreaterThanOrEqual($result['modified_date'], $case['modified_date']);
     unset($result['modified_date']);
     unset($case['modified_date']);
     // Everything else should be identical.