diff --git a/lib/Doctrine/ORM/Cache/Persister/Entity/AbstractEntityPersister.php b/lib/Doctrine/ORM/Cache/Persister/Entity/AbstractEntityPersister.php
index eae4c8c33..eaead7cf7 100644
--- a/lib/Doctrine/ORM/Cache/Persister/Entity/AbstractEntityPersister.php
+++ b/lib/Doctrine/ORM/Cache/Persister/Entity/AbstractEntityPersister.php
@@ -27,6 +27,7 @@ use Doctrine\ORM\Cache\CollectionCacheKey;
 use Doctrine\ORM\Cache\TimestampCacheKey;
 use Doctrine\ORM\Cache\QueryCacheKey;
 use Doctrine\ORM\Cache\Persister\CachedPersister;
+use Doctrine\ORM\Cache\CacheException;
 use Doctrine\ORM\Mapping\ClassMetadata;
 use Doctrine\ORM\PersistentCollection;
 use Doctrine\ORM\EntityManagerInterface;
@@ -233,6 +234,14 @@ abstract class AbstractEntityPersister implements CachedEntityPersister
             $class = $this->metadataFactory->getMetadataFor($className);
         }
 
+        if ($class->containsForeignIdentifier) {
+            foreach ($class->associationMappings as $name => $assoc) {
+                if (!empty($assoc['id']) && !isset($assoc['cache'])) {
+                    throw CacheException::nonCacheableEntityAssociation($class->name, $name);
+                }
+            }
+        }
+
         $entry  = $this->hydrator->buildCacheEntry($class, $key, $entity);
         $cached = $this->region->put($key, $entry);