diff --git a/src/Symfony/Component/Validator/Tests/Constraints/AbstractConstraintValidatorTest.php b/src/Symfony/Component/Validator/Tests/Constraints/AbstractConstraintValidatorTest.php
index 140f8e49b4..55ddbfe9c8 100644
--- a/src/Symfony/Component/Validator/Tests/Constraints/AbstractConstraintValidatorTest.php
+++ b/src/Symfony/Component/Validator/Tests/Constraints/AbstractConstraintValidatorTest.php
@@ -244,7 +244,7 @@ abstract class AbstractConstraintValidatorTest extends \PHPUnit_Framework_TestCa
 
     protected function assertNoViolation()
     {
-        $this->assertCount(0, $this->context->getViolations());
+        $this->assertSame(0, $violationsCount = count($this->context->getViolations()), sprintf('0 violation expected. Got %u.', $violationsCount));
     }
 
     /**
@@ -417,7 +417,7 @@ class ConstraintViolationAssertion
 
         $violations = iterator_to_array($this->context->getViolations());
 
-        \PHPUnit_Framework_Assert::assertCount(count($expected), $violations);
+        \PHPUnit_Framework_Assert::assertSame($expectedCount = count($expected), $violationsCount = count($violations), sprintf('%u violation(s) expected. Got %u.', $expectedCount, $violationsCount));
 
         reset($violations);