diff --git a/lib/Doctrine/ORM/AbstractQuery.php b/lib/Doctrine/ORM/AbstractQuery.php
index 3ba0dee263d..31c222a7fe5 100644
--- a/lib/Doctrine/ORM/AbstractQuery.php
+++ b/lib/Doctrine/ORM/AbstractQuery.php
@@ -98,7 +98,7 @@ abstract class AbstractQuery
     /**
      * The hydration mode.
      *
-     * @var integer
+     * @var string|int
      */
     protected $_hydrationMode = self::HYDRATE_OBJECT;
 
@@ -680,8 +680,8 @@ public function setFetchMode($class, $assocName, $fetchMode)
     /**
      * Defines the processing mode to be used during hydration / result set transformation.
      *
-     * @param integer $hydrationMode Doctrine processing mode to be used during hydration process.
-     *                               One of the Query::HYDRATE_* constants.
+     * @param string|int $hydrationMode Doctrine processing mode to be used during hydration process.
+     *                                  One of the Query::HYDRATE_* constants.
      *
      * @return static This query instance.
      */
@@ -695,7 +695,7 @@ public function setHydrationMode($hydrationMode)
     /**
      * Gets the hydration mode currently used by the query.
      *
-     * @return integer
+     * @return string|int
      */
     public function getHydrationMode()
     {
@@ -707,7 +707,7 @@ public function getHydrationMode()
      *
      * Alias for execute(null, $hydrationMode = HYDRATE_OBJECT).
      *
-     * @param int $hydrationMode
+     * @param string|int $hydrationMode
      *
      * @return mixed
      */
@@ -743,7 +743,7 @@ public function getScalarResult()
     /**
      * Get exactly one result or null.
      *
-     * @param int $hydrationMode
+     * @param string|int $hydrationMode
      *
      * @return mixed
      *
@@ -781,7 +781,7 @@ public function getOneOrNullResult($hydrationMode = null)
      * If the result is not unique, a NonUniqueResultException is thrown.
      * If there is no result, a NoResultException is thrown.
      *
-     * @param integer $hydrationMode
+     * @param string|int $hydrationMode
      *
      * @return mixed
      *
@@ -875,7 +875,7 @@ public function getHints()
      * iterate over the result.
      *
      * @param ArrayCollection|array|null $parameters    The query parameters.
-     * @param integer|null               $hydrationMode The hydration mode to use.
+     * @param string|int|null            $hydrationMode The hydration mode to use.
      *
      * @return \Doctrine\ORM\Internal\Hydration\IterableResult
      */
@@ -899,7 +899,7 @@ public function iterate($parameters = null, $hydrationMode = null)
      * Executes the query.
      *
      * @param ArrayCollection|array|null $parameters Query parameters.
-     * @param integer|null               $hydrationMode Processing mode to be used during the hydration process.
+     * @param string|int|null            $hydrationMode Processing mode to be used during the hydration process.
      *
      * @return mixed
      */
@@ -916,7 +916,7 @@ public function execute($parameters = null, $hydrationMode = null)
      * Execute query ignoring second level cache.
      *
      * @param ArrayCollection|array|null $parameters
-     * @param integer|null               $hydrationMode
+     * @param string|int|null            $hydrationMode
      *
      * @return mixed
      */
@@ -974,7 +974,7 @@ private function executeIgnoreQueryCache($parameters = null, $hydrationMode = nu
      * Load from second level cache or executes the query and put into cache.
      *
      * @param ArrayCollection|array|null $parameters
-     * @param integer|null               $hydrationMode
+     * @param string|int|null            $hydrationMode
      *
      * @return mixed
      */
diff --git a/lib/Doctrine/ORM/EntityManagerInterface.php b/lib/Doctrine/ORM/EntityManagerInterface.php
index c61e6973c28..a423432a162 100644
--- a/lib/Doctrine/ORM/EntityManagerInterface.php
+++ b/lib/Doctrine/ORM/EntityManagerInterface.php
@@ -249,7 +249,7 @@ public function getUnitOfWork();
     *
     * @deprecated
     *
-    * @param int $hydrationMode
+    * @param string|int $hydrationMode
     *
     * @return \Doctrine\ORM\Internal\Hydration\AbstractHydrator
     */
@@ -258,7 +258,7 @@ public function getHydrator($hydrationMode);
     /**
      * Create a new instance for the given hydration mode.
      *
-     * @param int $hydrationMode
+     * @param string|int $hydrationMode
      *
      * @return \Doctrine\ORM\Internal\Hydration\AbstractHydrator
      *
diff --git a/lib/Doctrine/ORM/Query.php b/lib/Doctrine/ORM/Query.php
index 041ebeebb9f..525aa7a5081 100644
--- a/lib/Doctrine/ORM/Query.php
+++ b/lib/Doctrine/ORM/Query.php
@@ -656,7 +656,7 @@ public function getMaxResults()
      * iterated over the result.
      *
      * @param ArrayCollection|array|null $parameters    The query parameters.
-     * @param integer                    $hydrationMode The hydration mode to use.
+     * @param string|int                 $hydrationMode The hydration mode to use.
      *
      * @return \Doctrine\ORM\Internal\Hydration\IterableResult
      */