diff --git a/Event/Subscriber/DoctrineORMSubscriber.php b/Event/Subscriber/DoctrineORMSubscriber.php
index f874001..b59bfbd 100644
--- a/Event/Subscriber/DoctrineORMSubscriber.php
+++ b/Event/Subscriber/DoctrineORMSubscriber.php
@@ -114,7 +114,10 @@ public function filterEntity(GetFilterConditionEvent $event)
             } else {
                 $event->setCondition(
                     $expr->eq($filterField, ':' . $paramName),
-                    [$paramName => [$this->getEntityIdentifier($values['value'], $queryBuilder->getEntityManager()), Types::INTEGER]]
+                    [$paramName => [
+                        $this->getEntityIdentifier($values['value'], $queryBuilder->getEntityManager()),
+                        $this->getEntityIdentifierType($values['value'], $queryBuilder->getEntityManager()),
+                    ]]
                 );
             }
         }
@@ -142,4 +145,23 @@ protected function getEntityIdentifier($value, EntityManagerInterface $em)
 
         return array_shift($identifierValues);
     }
+
+    /**
+     * @param object $value
+     * @return string
+     * @throws \RuntimeException
+     */
+    protected function getEntityIdentifierType($value, EntityManagerInterface $em)
+    {
+        $class = get_class($value);
+        $metadata = $em->getClassMetadata($class);
+
+        $identifierType = $metadata->getIdentifierFieldNames($value);
+
+        if (empty($identifierType)) {
+            throw new \RuntimeException(sprintf('Can\'t get identifier value for class "%s".', $class));
+        }
+
+        return $metadata->getTypeOfField(array_shift($identifierType));
+    }
 }