diff --git a/title.module b/title.module
index ef106e9..e8b499e 100644
--- a/title.module
+++ b/title.module
@@ -69,6 +69,10 @@ function title_entity_info_alter(&$info) {
 
         // Support add explicit support for entity_label().
         if (isset($entity_info['entity keys']['label']) && $entity_info['entity keys']['label'] == $legacy_field) {
+          // Store the original label callback for compatibility reasons.
+          if (isset($info[$entity_type]['label callback'])) {
+            $info[$entity_type]['label fallback']['title'] = $info[$entity_type]['label callback'];
+          }
           $info[$entity_type]['label callback'] = 'title_entity_label';
           $fr_info += array('preprocess_key' => $info[$entity_type]['entity keys']['label']);
         }
@@ -123,6 +127,10 @@ function title_entity_label($entity, $type, $langcode = NULL) {
     return $info['callbacks']['sync_get']($type, $entity, $legacy_field, $info, $langcode);
   }
   else {
+    // Retrieve the original label callback.
+    if (isset($entity_info['label fallback']['title']) && function_exists($entity_info['label fallback']['title'])) {
+      return $entity_info['label fallback']['title']($entity, $type, $langcode);
+    }
     return $entity->{$legacy_field};
   }
 }