diff --git a/entitycache.module b/entitycache.module
index 244512e..5096363 100644
--- a/entitycache.module
+++ b/entitycache.module
@@ -113,8 +113,9 @@ class EntityCacheControllerHelper extends DrupalDefaultEntityController {
     }
 
     if (!empty($controller->entityInfo['entity cache'])) {
-      // Add entities to the entity cache if we are not loading a revision.
-      if (!empty($queried_entities) && !$revision_id) {
+      // Add entities to the entity cache if we are not loading a revision or
+      // are loading all entities.
+      if (!empty($queried_entities) && !$revision_id && $ids !== FALSE) {
         self::entityCacheSet($controller, $queried_entities);
       }
     }