diff --git a/src/Symfony/Component/HttpKernel/Tests/HttpCache/ResponseCacheStrategyTest.php b/src/Symfony/Component/HttpKernel/Tests/HttpCache/ResponseCacheStrategyTest.php
index 22cadf7129..fd67af368b 100644
--- a/src/Symfony/Component/HttpKernel/Tests/HttpCache/ResponseCacheStrategyTest.php
+++ b/src/Symfony/Component/HttpKernel/Tests/HttpCache/ResponseCacheStrategyTest.php
@@ -216,7 +216,7 @@ class ResponseCacheStrategyTest extends TestCase
         $cacheStrategy->add($embeddedResponse);
         $cacheStrategy->update($masterResponse);
 
-        $this->assertSame('60', $masterResponse->headers->getCacheControlDirective('s-maxage'));
+        $this->assertEqualsWithDelta(60, (int) $masterResponse->headers->getCacheControlDirective('s-maxage'), 1);
     }
 
     public function testResponseIsExpirableButNotValidateableWhenMasterResponseCombinesExpirationAndValidation()