diff --git a/src/Symfony/Component/Validator/Constraints/TimeValidator.php b/src/Symfony/Component/Validator/Constraints/TimeValidator.php
index e398c10a2600..3f0234b8b089 100644
--- a/src/Symfony/Component/Validator/Constraints/TimeValidator.php
+++ b/src/Symfony/Component/Validator/Constraints/TimeValidator.php
@@ -47,7 +47,7 @@ public function validate($value, Constraint $constraint)
             throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Time');
         }
 
-        if (null === $value || '' === $value || $value instanceof \DateTime) {
+        if (null === $value || '' === $value || $value instanceof \DateTimeInterface) {
             return;
         }
 
diff --git a/src/Symfony/Component/Validator/Tests/Constraints/TimeValidatorTest.php b/src/Symfony/Component/Validator/Tests/Constraints/TimeValidatorTest.php
index 10ffe8770878..a22251d0ee3c 100644
--- a/src/Symfony/Component/Validator/Tests/Constraints/TimeValidatorTest.php
+++ b/src/Symfony/Component/Validator/Tests/Constraints/TimeValidatorTest.php
@@ -99,4 +99,11 @@ public function getInvalidTimes()
             array('00:00:60', Time::INVALID_TIME_ERROR),
         );
     }
+
+    public function testDateTimeImmutableIsValid()
+    {
+        $this->validator->validate(new \DateTimeImmutable(), new Time());
+
+        $this->assertNoViolation();
+    }
 }