diff --git a/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php b/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php
index 24ce1ea2e..d70f02ffa 100644
--- a/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php
+++ b/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php
@@ -170,7 +170,7 @@ class ClassMetadataFactory extends AbstractClassMetadataFactory
                     continue;
                 }
 
-                if (! (isset($embeddableClass['class']) && $embeddableClass['class'])) {
+                if ( ! (isset($embeddableClass['class']) && $embeddableClass['class'])) {
                     throw MappingException::missingEmbeddedClass($property);
                 }