diff --git a/src/DoctrineUserProvider.php b/src/DoctrineUserProvider.php
index 71b569d..72c24b8 100644
--- a/src/DoctrineUserProvider.php
+++ b/src/DoctrineUserProvider.php
@@ -2,7 +2,7 @@
 
 use Doctrine\ORM\EntityManager;
 use Doctrine\ORM\EntityRepository;
-use Illuminate\Auth\UserProviderInterface;
+use Illuminate\Contracts\Auth\UserProvider as UserProviderInterface;
 use Illuminate\Contracts\Auth\Authenticatable;
 use Illuminate\Contracts\Hashing\Hasher;
 
diff --git a/src/Traits/Authentication.php b/src/Traits/Authentication.php
index aaabb7f..c724c61 100644
--- a/src/Traits/Authentication.php
+++ b/src/Traits/Authentication.php
@@ -27,7 +27,7 @@ public function setPassword($password) {
      * @return mixed
      */
     public function getAuthIdentifier() {
-        return method_exists($this, 'getKeyName') ? $this->getKeyName() : 'id';
+	    return method_exists($this, 'getKey') ? $this->getKey() : $this->id;
     }
 
     /**
@@ -60,6 +60,6 @@ public function setRememberToken($value) {
      * @return string
      */
     public function getRememberTokenName() {
-        return 'remember_token';
+        return 'rememberToken';
     }
 } 
diff --git a/src/Validation/DoctrinePresenceVerifier.php b/src/Validation/DoctrinePresenceVerifier.php
index 820f58d..1f4d629 100644
--- a/src/Validation/DoctrinePresenceVerifier.php
+++ b/src/Validation/DoctrinePresenceVerifier.php
@@ -27,7 +27,7 @@ public function __construct(EntityManagerInterface $entityManager)
 	 */
 	public function getCount($collection, $column, $value, $excludeId = null, $idColumn = null, array $extra = array())
 	{
-		$queryParts = ['SELECT COUNT(*) FROM', $collection, 'WHERE', "$column = ?"];
+		$queryParts = ['SELECT COUNT(*) as usercount FROM', $collection, 'WHERE', "$column = ?"];
 
 		if (!is_null($excludeId) && $excludeId != 'NULL')  {
 			$queryParts[] = 'AND '.($idColumn ?: 'id').' <> ?';
@@ -62,7 +62,7 @@ public function getCount($collection, $column, $value, $excludeId = null, $idCol
 	 */
 	public function getMultiCount($collection, $column, array $values, array $extra = array())
 	{
-		$queryParts = ['SELECT COUNT(*) FROM', $collection, 'WHERE', "$column IN (?)"];
+		$queryParts = ['SELECT COUNT(*) as usercount FROM', $collection, 'WHERE', "$column IN (?)"];
 
 		foreach ($extra as $key => $extraValue) {
 			$queryParts[] = "AND $key = ?";
@@ -88,6 +88,10 @@ private function createQueryFrom(array $queryParts = [])
 	{
 		$rsm = new ResultSetMapping();
 
+		//If we don't set up a scalar result mapping, we'll always get back null from the hydrateColumnInfo function in
+		//the abstract class Doctrine\ORM\Internal\Hydration\AbstractHydrator, which all the hydrators extend.
+		$rsm = $rsm->addScalarResult('usercount','usercount','integer');
+
 		return $this->entityManager->createNativeQuery(implode(' ', $queryParts), $rsm);
 	}
 }