diff --git a/src/main/java/fr/adrienbrault/idea/symfony2plugin/doctrine/metadata/lookup/DoctrineRepositoryLookupElement.java b/src/main/java/fr/adrienbrault/idea/symfony2plugin/doctrine/metadata/lookup/DoctrineRepositoryLookupElement.java
index b715237c0..dd69929ba 100644
--- a/src/main/java/fr/adrienbrault/idea/symfony2plugin/doctrine/metadata/lookup/DoctrineRepositoryLookupElement.java
+++ b/src/main/java/fr/adrienbrault/idea/symfony2plugin/doctrine/metadata/lookup/DoctrineRepositoryLookupElement.java
@@ -14,17 +14,19 @@
  * @author Daniel Espendiller <daniel@espendiller.net>
  */
 public class DoctrineRepositoryLookupElement extends LookupElement {
-    @NotNull
-    private final PhpClass phpClass;
+    private final @NotNull String phpClassPresentableFQN;
+
+    private final @NotNull String phpClassName;
 
     private DoctrineRepositoryLookupElement(@NotNull PhpClass phpClass) {
-        this.phpClass = phpClass;
+        this.phpClassName = phpClass.getName();
+        this.phpClassPresentableFQN = phpClass.getPresentableFQN();
     }
 
     @Override
     public void renderElement(LookupElementPresentation presentation) {
-        presentation.setItemText(phpClass.getName());
-        presentation.setTypeText(phpClass.getPresentableFQN());
+        presentation.setItemText(phpClassName);
+        presentation.setTypeText(phpClassPresentableFQN);
         presentation.setTypeGrayed(true);
         presentation.setIcon(Symfony2Icons.DOCTRINE);
     }
@@ -32,7 +34,7 @@ public void renderElement(LookupElementPresentation presentation) {
     @NotNull
     @Override
     public String getLookupString() {
-        return StringUtils.stripStart(phpClass.getPresentableFQN(), "\\");
+        return StringUtils.stripStart(phpClassPresentableFQN, "\\");
     }
 
     public static DoctrineRepositoryLookupElement create(@NotNull PhpClass phpClass) {