diff --git a/RouteDescriber/FosRestDescriber.php b/RouteDescriber/FosRestDescriber.php
index d800e0b..fd92f84 100644
--- a/RouteDescriber/FosRestDescriber.php
+++ b/RouteDescriber/FosRestDescriber.php
@@ -107,7 +107,7 @@ final class FosRestDescriber implements RouteDescriberInterface
         if ($requirements instanceof Constraint && !$requirements instanceof Regex) {
             if ($requirements instanceof DateTime) {
                 // As defined per RFC3339
-                if ('Y-m-d\TH:i:s' === $requirements->format) {
+                if ('Y-m-d\TH:i:s' === $requirements->format || 'c' === $requirements->format) {
                     return 'date-time';
                 } elseif ('Y-m-d' === $requirements->format) {
                     return 'date';
diff --git a/Tests/Functional/Controller/FOSRestController.php b/Tests/Functional/Controller/FOSRestController.php
index ab2c66c..2857f28 100644
--- a/Tests/Functional/Controller/FOSRestController.php
+++ b/Tests/Functional/Controller/FOSRestController.php
@@ -30,6 +30,7 @@ class FOSRestController
      * @RequestParam(name="Barraa", key="bar", requirements="\d+")
      * @RequestParam(name="baz", requirements=@IsTrue)
      * @RequestParam(name="datetime", requirements=@DateTime("Y-m-d\TH:i:s"))
+     * @RequestParam(name="datetimeAlt", requirements=@DateTime("c"))
      * @RequestParam(name="date", requirements=@DateTime("Y-m-d"))
      */
     public function fosrestAction()
diff --git a/Tests/Functional/FOSRestTest.php b/Tests/Functional/FOSRestTest.php
index 739b0f3..8024011 100644
--- a/Tests/Functional/FOSRestTest.php
+++ b/Tests/Functional/FOSRestTest.php
@@ -53,6 +53,9 @@ class FOSRestTest extends WebTestCase
         $dateTimeProperty = $this->getProperty($bodySchema, 'datetime');
         $this->assertEquals('date-time', $dateTimeProperty->format);
 
+        $dateTimeAltProperty = $this->getProperty($bodySchema, 'datetimeAlt');
+        $this->assertEquals('date-time', $dateTimeAltProperty->format);
+
         $dateProperty = $this->getProperty($bodySchema, 'date');
         $this->assertEquals('date', $dateProperty->format);